Seat reducer deals(Disclaimer)
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🏅 229 Seat Reducer in price comparison
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💶 Current offers and discounts
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🕝 Last updated on 13.10.2026
Long 29.8mm - 27.2mm Seat Post Adaptor Shim Sleeve Reducers Bike Saddle Stem
Alloy seat post shim saddle stem sleeve.
£ 8.99
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sourcing map Alloy Bike Seat Post Reducer Shim 31.8mm to 34.9mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 31.8 mm / 34.9 mm, Length: 60 mm / 2.36 inch, Inner diameter: 31.8 mm / 1.25 inch.
£ 9.39
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POLISPORT 8015000022 – Mini Pelican Fleece Toddler Seat Reducer with 3-Point Harness for Trailer, Stroller and Cargo Bike – Warm, Safe and Compatible for Children from 7 to 18 Months, White
COMFORT: Mini Pelican reducer with padded synthetic wool fleece cover offers a warm, soft, and comfortable environment for the baby, ideal for cold climates and low or winter temperatures.
£ 46.49
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sourcing map Alloy Bike Seat Post Reducer Shim 30.9mm to 31.6mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 30.9 mm / 31.6 mm, Length: 60 mm / 2.36 inch, Inner diameter: 30.9 mm / 1.22 inch.
£ 9.29
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Cane Creek Shim Seat Post Bushing
7005 aluminium Weight: 12 - 48 g
£ 17.80
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Seatpost Adapter Shim - Adjustable Conversion Sleeve, Aluminum Alloy Reducer | Universals Seat Tube Expander for 25.4mm to 30.9mm & 31.6mm to 34.9mm Sizes, Durablee Cycling Accessories
Convenient Upgrade]: Transform your 25.4mm seat posts to 27.2mm in a snap with our Seat Post Adapter. Install it without replacing the original post for a simple and quick upgrade
£ 4.59
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POLISPORT 8015000022 – Mini Pelican Fleece Toddler Seat Reducer with 3-Point Harness for Trailer, Stroller and Cargo Bike – Warm, Safe and Compatible for Children from 7 to 18 Months, White
COMFORT: Mini Pelican reducer with padded synthetic wool fleece cover offers a warm, soft, and comfortable environment for the baby, ideal for cold climates and low or winter temperatures.
£ 44.99
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Bicycle Seatpost Adapter Shim Tube Sleeve Reducer Compatible with Seat Post Diameters 22 2 to 34 9 mm (31.6 to 33.9)
【Seat Post Shim Tube Converter】This MTB Bicycle Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is made of high-quality aluminum alloy material, durability and practicality.
£ 6.44
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1Pcs Bike Seat Post Shim Tube Sleeve Reducer Adapter, Aluminum Alloy Construction, Bicycle Seatpost Shim Aluminum Alloy Bike Seat Post Tube Adapter (33.9 to 34.9)
【Seat Post Shim Tube】The seat post shim tube is designed for bikes and serves as a converter adapter for seatpost reduction. It is made of and practical materials.
£ 6.69
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sourcing map Alloy Bike Seat Post Reducer Shim 33.9mm to 36mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 33.9 mm / 36 mm, Length: 60 mm / 2.36 inch, Inner diameter: 33.9 mm / 1.33 inch.
£ 9.39
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cyclingcolors Reduction Ring for Bicycle Seatpost 27.2MM > 29.8MM Universal Reducer Adapter
Bicycle seat post reducer Allows you to fit a seat post into your bike frame tube Inner diameter 27.2 mm, outer diameter 29.8 mm Length: 80 mm Universal use
£ 6.95
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A ABSOPRO Seatpost Shim Adapter 30.9mm 1.22" ID Bike Seatpost Tube Purple
Replacement For - Bicycle Seat Post Adapter Inner Diameter: 30.9mm/ 1.22", Outer Diameter: 31.6mm/ 1.24"
£ 8.79
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Folding Bike Adapter, Seat Tube Reducer, Bicycle Spacer Ring, Oversized Frame Fit, Plastic Post Sleeve
【Compatible with 9mm Folding Bike Seat Tube】Designed specifically for folding bikes with a seat tube size of 33.9mm, a for perfect fit for your bike. 【Efficient Seatpost Adjustment】This sleeve shim tube reduces the seatpost diameter, allowing you to adapt it to your oversized for seat tube.
£ 4.13
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sourcing map Alloy Bike Seat Post Reducer Shim 27.2mm to 30.4mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 27.2 mm / 30.4 mm, Length: 60 mm / 2.36 inch, Inner diameter: 27.2 mm / 1.07 inch.
£ 9.49
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Bicycle Seat Post Tube Sleeve Shim Reducer Adapter For Seatpost Conversion Aluminum Alloy Fits Multiple Seat Tube Diameter Sizes(27.2 to 28.6)
【Seat Post Shim Tube】This MTB Bicycle Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is made of high-quality materials, durability and practicality. 【Compatible with Various Sizes】It fits seat tubes with hole diameters of 2mm, 25.4mm, 27.2mm, 28.6mm, 30.4mm, 30.8mm, 31.6mm, 33.9mm, and 34.9mm, making it suitable for a wide range of frames. 【Aluminum Alloy Material】Constructed with lightweight and beautiful aluminum alloy material, this shim tube offers precision machining to solve the problem of mismatched frame and seat tube sizes. 【Easy Installation】Simply open the tube clamp, insert the converter into the frame seat tube, push it to the end, insert the seat tube into the converter, adjust the height, and lock the tube clamp. 【Package Included】You will receive 1 Seat Post Shim Tube, weighing approximately 24g, to for ENSURE a secure and stable connection between your bike frame and seat tube.
£ 8.31
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Honseadek Bike Seatpost Reducer 27.2 to 28.6mm, Aluminium Alloy 6061 Seat Tube Adapter Sleeve for Mountain Road Bike, Black Frame Size Converter Shim
PRECISE SIZE ADAPTATION: Converts 22.2mm seatposts to fit 25.4mm seat tubes with exact dimensional accuracy for secure, wobble-free installation.
£ 4.93
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sourcing map 2pcs Alloy Bike Seat Post Reducer Shim 31.6mm to 33.9mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 31.6 mm / 33.9 mm, Length: 60 mm / 2.36 inch, Inner diameter: 31.6 mm / 1.24 inch.
£ 12.09
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sourcing map Alloy Bike Seat Post Reducer Shim 27.2mm to 31.8mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 27.2 mm / 31.8 mm, Length: 60 mm / 2.36 inch, Inner diameter: 27.2 mm / 1.07 inch.
£ 9.09
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cyclingcolors Bike SEATPOST Reducer 27.2mm Shim Extension Convert Tube Adapter Adaptor Cycle Vintage MTB Spacer Aluminium SEAT Post Saddle
Length: 80 mm Inner Diameter: 27.2mm Material: Aluminium
£ 5.11
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sourcing map 2pcs Alloy Bike Seat Post Reducer Shim 27.2mm to 33.9mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 27.2 mm / 33.9 mm, Length: 60 mm / 2.36 inch, Inner diameter: 27.2 mm / 1.07 inch.
£ 11.29
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Bicycle Seatpost Shim Reducer, Seat Tube Extension Sleeve For 22.2MM To 34.9MM Conversion, 6061 Aluminum Alloy Adapter For Bike Frame And Post(33.9-34.9MM)
【Seat Tube Reducer】Constructed with and practical 6061 aluminum alloy, this seat tube reducer is built to last.
£ 4.31
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Besttoolifes Bike Seatpost Reducer Sleeve 6061 Aluminum, Cycling Frame Seatpost Extender Insert, Seat Tube Shim For Diameter Conversion, Seat Tube Reducing Shim For Bikes
【 and Practical】Made of and practical material, long-lasting use. 【】Available in various sizes, including 2 to 25.4MM, 25.4 to 27.2MM, and more, providing options to fit different seat tube sizes. 【 Material】Constructed with 6061 aluminum alloy, strength and reliability. 【Convenient Packaging】Comes in an for opp bag with a compact size of 11x4x4CM, easy to store and carry. 【Easy Installation】Simply insert the seat tube reducer into the seatpost sleeve, allowing for a secure and stable fit.
£ 4.91
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cyclingcolors Bike SEATPOST Reducer 27.2mm Shim Extension Convert Tube Adapter Adaptor Cycle Vintage MTB Spacer Aluminium SEAT Post Saddle
Length: 80 mm Inner Diameter: 27.2mm Material: Aluminium
£ 5.11
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SPARES2GO Bike Handle Bars Bush Reducer Stem Seat Post 24mm 26mm
SPARES2GO Bike Handle Bars Bush Reducer Stem Seat Post 24mm / 26mm for Attaching Lights
£ 6.49
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cyclingcolors Bike Shim Reducer : 22.2MM > 25.4MM 25.4MM > 28.6MM 24MM > 25MM 1" 1 1/8" SEATPOST STEM Ahead Tube Adapter Bicycle
Saddle post or stem reduction for the bike (size to choose) Model 22.2mm> 25.4mm: internal diameter 22.2mm, outer diameter 25.4mm (1 "), length 35mm Model 25.4mm (1 ")> 28.6mm (1" 1/8): inside diameter 25.4mm (1 "), outer diameter 28.6mm (1 1/8"), length 35mm Model 24mm> 25mm: inside diameter 24mm, outer diameter 25mm (ring thickness = 0.5mm), length 35mm
£ 4.25
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Cycling Seat Post Extension Sleeve Reducer Shim 6061 Aluminium Alloy Adapter for Bicycle Frame Tube Diameter Conversion 22.2mm to 34.9mm Assorted Sizes Compatible with MTB and Road Bikes(30.9-31.6MM)
【Seat Tube Reducer】Constructed with and practical 6061 aluminum alloy, this seat tube reducer is built to last.
£ 4.41
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sourcing map 2pcs Alloy Bike Seat Post Reducer Shim 27.2mm to 28.6mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 27.2 mm / 28.6 mm, Length: 60 mm / 2.36 inch, Inner diameter: 27.2 mm / 1.07 inch.
£ 11.99
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Heavy Duty Bike Seatpost Reducer Shim Adapter Sleeve Aluminum Alloy for 25.4mm to 28.6mm or 27.2mm to 31.6mm Seat Tube Fit Black(25.4-27.2)
PRECISE DIAMETER ADJUSTMENT: Modify seat tube size from 27.2 to 31.6mm without buying new parts, saving money on bicycle upgrades instantly
£ 4.40
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Gdfnmogo Aluminium Alloy Bicycle Seatpost Shim Tube Reducer Sleeve Adapter, Bike Seat Reducer for Road and Mountain Bike Frame Conversion Ring 27.2mm(27.2-25.4mm)
【 and Reliable】Constructed with materials, long-lasting durability and reliability for your bike seat post shim tube sleeve reducer seatpost convert adapter.
£ 3.99
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ZWEquipint Bicycle Seatpost Sleeve Shim for 33.9mm Folding Bike Frame, Plastic Reducer Tube Adapter to Fit Oversized Seat Post, Black
PRECISE FIT FOR 33.9MM: Adapts standard seatposts to oversized folding bike frames for a secure, wobble-free ride
£ 4.26
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Aluminum Alloy Bike Seat Post Shim Tube Reducer Adapter, For 22.2mm to 34.9mm Diameter, Precision Sleeve, For Road MTB Frame Conversion, Lightweight(27.2-30.4)
【 Compatibility】This MTB Bicycle Bike Seat Shim Tube Sleeve Reducer Seatpost Converter Adapter is designed to f for seat tubes with hole diameters of 2/25.4/27.2/31.6/33.9, providing a solution for different bike frames.
£ 3.94
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Seatpost Shim Sleeve Constructed from Lightweight 6061 Aluminum for Bike Seat Tube Diameter Conversion 100mm Length Build (30.9-33.9MM)
【Seat Tube Reducer】Constructed with and practical 6061 aluminum alloy, this seat tube reducer is built to last. 【Multiple Specifications】Available in various sizes, including 2 to 25.4MM, 25.4 to 27.2MM, 25.4 to 28.6MM, and more, compatibility with different bicycle seatposts. 【Easy Installation】Simply insert the seat tube reducer into the seatpost sleeve to effectively reduce the diameter and achieve a secure fit. 【Compact Design】With a length of 100MM, this for seat tube reducer offers a compact and lightweight solution without compromising on performance. 【 Application】Ideal for cyclists of all levels, this seat tube reducer enables seamless transitions between different seatposts, enhancing the overall riding experience.
£ 4.99
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sourcing map 2pcs Alloy Bike Seat Post Reducer Shim 27.2mm to 31.8mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 27.2 mm / 31.8 mm, Length: 60 mm / 2.36 inch, Inner diameter: 27.2 mm / 1.07 inch.
£ 8.99
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Bike Hub Thru Axle Adapter 15mm to 12mm, Aluminum Alloy Conversion Seat Reducer, For 100x12mm Disc Brake Hubs, Precision Seal Ring Design(Black)
【 and Practical】Made of material, this hub conversion seat adapter is built to last and provides practical functionality.
£ 4.42
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XLC Unisex - Adult Sp-x20 Casq.Reducer Seat Post 31.6-34.9 120mm Stem, Black, One Size
Innovative equipment for leisure and touring riders
£ 16.99
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Accarugty Mountain Bike Reducer, Seat Post Reducer, Lightweight Seat Shim, Alloy Seatpost Shim(27.2-31.6)
[STURDY AND LIGHTWEIGHT MATERIAL] This bicycle reducer adapter is made from robust aluminum alloy that balances weight and strength for optimal performance on the road or for trails.
£ 3.91
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Bike Hub Thru Axle Adapter 15mm to 12mm, Aluminium Alloy Front Fork Conversion Seat Reducer for 100x12mm Disc Brake Hubs, Precision 3-Way Seal Ring Design for Cycling Upgrade(Black)
【 and Practical】Made of material, this hub conversion seat adapter is built to last and provides practical functionality.
£ 4.43
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Lightweight Seatpost Shim For 27.2Mm Post, Aluminum Alloy Seat Post Adapter 31.6Mm, Bicycle Seat Adapter 33.9Mm, Precision Machined Bike Seat Reducer Black(25.4 to 28.6)
【 and High-Strength】Made from high-strength material, this mountain road bicycle reducer bushing conversion adapter is built to be and long-lasting.
£ 4.32
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Aluminium Alloy Bicycle Seat Tube Reducer Adapter, 22.2mm to 25.4mm Saddle Post Conversion Sleeve for Mountain Road Bike, Black, 100mm Length
【Conversion Sleeve Reducer】This bicycle tube reducer conversion set allows you to adjust the size of your saddle tube, providing compatibility for different tube sizes. Made of aluminum alloy, it offers durability and strong load-bearing capacity.
£ 3.37
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TDCuizent Bicycle Seat Post Shim Adapter Aluminum Alloy Seatpost Reducer Sleeve Converter 22.2-34.9mm Diameter for Mountain Road Bikes Frame Tube Machined Lightweight 60mm Length
【Seat Post Shim Tube Converter】This MTB Bicycle Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is made of high-quality aluminum alloy material, durability and practicality.
£ 4.58
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QuivyLivy Bike Seat Post Shim Aluminum Alloy Reducer Sleeve Adapter For Frame Tube Size Conversion 25.4Mm To 27.2Mm 30.9Mm 31.6Mm Cycling Parts(30.9 to 31.6)
[PACKAGE CONTENTS] Package contains 1 post shim tube adapter for bicycle seatposts, designed to convert mismatched frame and post diameters so you can fit the seatpost securely without changing the frame.
£ 4.54
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Bike Hub Thru Axle Adapter 15mm to 12mm Conversion Seat Reducer for 100x12mm Road Disc Brake Hubs Aluminum Alloy Lightweight High Strength Precision Fit Black Red Blue Gold(Black)
【 and Practical】Made of material, our bike hub conversion seat adapter ensures durability and reliable performance. It is designed to be practical and long-lasting for your biking needs.
£ 4.46
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Yhenlovtt Bike Seatpost Shim Reducer Sleeve 6061 Aluminum Alloy Adapter, For 25.4mm to 27.2mm 28.6mm 30.9mm 31.6mm Seat Tube, 100mm Length(25.4-31.6mm)
PRECISE SIZE ADAPTER: Fits 25.4mm posts into 31.6mm or 28.6mm frames for a secure bike seatpost adapter connection without slippage
£ 4.90
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Nexbrill Bike Hub Thru Axle Adapter 15mm to 12mm Conversion Seat Reducer for Road Disc Brake Fork Upgrade Aluminum Alloy Lightweight Black(Black)
【 and Practical】Made of material, our bike hub conversion seat adapter ensures durability and reliable performance. It is designed to be practical and long-lasting for your biking needs.
£ 5.21
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Bike Seatpost Shim Tube Adapter Reducer Sleeve for Seat Tubes 22 2 33 9mm Diameter Lightweight Aluminum Alloy Suitable for Various Bicycle Frames (31.6 to 33.9)
【Seat Post Shim Tube】This MTB Bicycle Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is made of high-quality materials, durability and practicality.
£ 4.79
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48% discount
cyclingcolors Bike Shim Reducer : 22.2MM > 25.4MM 25.4MM > 28.6MM 24MM > 25MM 1" 1 1/8" SEATPOST STEM Ahead Tube Adapter Bicycle
Saddle post or stem reduction for the bike (size to choose) Model 22.2mm> 25.4mm: internal diameter 22.2mm, outer diameter 25.4mm (1 "), length 35mm Model 25.4mm (1 ")> 28.6mm (1" 1/8): inside diameter 25.4mm (1 "), outer diameter 28.6mm (1 1/8"), length 35mm Model 24mm> 25mm: inside diameter 24mm, outer diameter 25mm (ring thickness = 0.5mm), length 35mm
£ 4.25
£ 8.25
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QuivyLivy Bike Seatpost Reducer 27.2 To 28.6Mm, Seat Tube Adapter Sleeve For Bicycle, Aluminum Alloy Seat Post Shim 60Mm, Black Bike Frame Reducer Insert 100Mm(short)
PRECISE SIZE ADAPTATION: Converts 27.2mm seatposts to fit 28.6mm seat tubes with exact dimensional accuracy for secure, wobble-free installation.
£ 3.96
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Posheliox Bicycle Seatpost Reducer 27.2 to 28.6mm, Aluminium Alloy Seat Tube Adapter Sleeve for Cycling, Mountain Bike Frame Shim in 60mm or 100mm(27.2-33.9mm)
[PACKAGE CONTENTS] Includes one seatpost adapter sleeve (tube reducer) to adapt a 2mm seat post to a 28.6mm seat tube; offered in black with 60mm and 100mm options.
£ 4.10
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Gdfnmogo Bicycle Seatpost Shim Reducer Sleeve 6061 Aluminum Alloy Seat Tube Adapter for Converting Frame Sizes to Fit Various Seatpost Diameters Compatible with Mountain Road(31.6-33.9MM)
【 and Practical】 Made of 6061 aluminum alloy, this seat tube reducer is and long-lasting.
£ 4.29
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QuivyLivy Seatpost Shim Reducer, Seat Tube Adapter Sleeve, Bike Post Diameter Converter, Aluminium Seatpost Spacer, 27.2 To 31.6 Or 30.9 To 34.9 Sizes(27.2-28.6MM)
【 and Practical】Made of and practical material, long-lasting use.
£ 4.19
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Jotekonoby Multiple Size Options, Bike Seat Post Shim, Lightweight Cycling Part, Aluminium Alloy Adapter, Fit Reducer(30.9 to 31.6)
[PACKAGE CONTENTS & OPTIONS] Contains 1 post shim tube (100mm length, 9 height 40mm); multiple conversion sizes available so you can match uncommon seatpost/frame fits without replacing parts.
£ 4.56
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Gdfnmogo Aluminium Alloy Bike Seatpost Reducer 27.2 To 28.6mm, Seat Tube Adapter Sleeve For Mountain Road Bicycle Frame Upgrade, Black(short)
[PACKAGE CONTENT] One seat tube reducer sleeve to convert a 2mm seatpost for use in a 28.6mm seat tube; single tube adapter in black, available in 60mm and 100mm length options.
£ 4.38
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Belnotelt Bike Hub Thru Axle Adapter 15mm to 12mm Conversion Seat Reducer for Road Disc Brake Hubs, Aluminum Alloy Lightweight Bushing with 3-Way Seal Ring Design, Precision Fit(Black)
SECURE 25.4MM LOCKING: Keeps your seatpost firmly in place during intense rides on rough UK trails without slipping or rotating unexpectedly for safety
£ 4.63
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Aluminium Alloy Bike Seatpost Sleeve 27.2mm to 28.6mm Seat Tube Reducer Adapter for Bicycle Frame Conversion, Cycling Component with 60mm or 100mm Length Options(27.2-33.9mm)
PRECISE SIZE CONVERSION: Converts 27.2mm seatposts to fit 28.6mm seat tubes with exact dimensional accuracy for secure, wobble-free installation.
£ 3.88
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Cyclingcolors Reduction Ring for Bicycle Seat Post 27.2 mm > 31.6 mm Universal Reducer Adapter
Bicycle seat post reducer. Allows you to fit a seat post in the frame tube of your bike.
£ 5.97
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Yhenlovtt Aluminum for Bicycle for Tube Seat Reducer Sleeve Compatibility 222 to 36mm Post Seat Alloy Having Mountain and Road Bikes (318349)
Durable and Lightweight: Made Longlasting Shim Alloy Composition This Seat Post Tube Aluminum Function Resilient Yet Lightweight of Is
£ 3.75
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cyclingcolors Shim Bicycle Adaptor Sleeve Reducing Sleeve Seat Post Aluminium Racing Bike MTB Reducer 25.4 mm > 26.4 mm
With this reducing ring, you can mount a seat post with an outer diameter that is smaller than the inner diameter of the seat post tube of your bike This reducer is made of slotted aluminum to fit your seat post and easy to assemble without tools Total length: 80 mm, silver Inner diameter: 25.4 mm Universal use for bicycle, road bike, mountain bike, city seat post
£ 7.95
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Alanmoship 2 Pairs 15mm to 12mm Thru Axle Hub Adapter Aluminum Alloy Conversion Seat Reducer for Road Disc Brake Hubs Cycling Upgrade Black(Black)
PRECISE SIZE CONVERSION: Adapts 15mm thru axle hubs to fit 12mm forks, saving costs on new hub purchases for cycling enthusiasts
£ 5.16
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hauck Alpha Cosy, Jersey Charcoal - Seat Reducer Cushion for Alpha+ Wooden Highchair, Supportive Seat Pad for Toddlers 6 Months+, Soft Fabric, Machine Washable, Anti Slip
For hauck wooden high chair: The practical seat cushion is the perfect addition to your hauck Alpha+ grow-along baby chair for your toddler from 6 to 36 months, or rather from when they begin to sit Reinforced sides: When your child has just begun to sit unaided, this highchair cushion offers extra support on the sides, avoiding slipping around in the highchair Soft and comfy: Thanks to the soft padding and high backrest, your child can lean back without worries and be comfortable in their wooden chair even when mealtime goes on longer Anti-slip: The anti-slip coating that prevents the highchair pad from sliding back and forth during your little explorer’s mealtime and playtime, offering more comfort and safety Compatible with harness: The insert cushion is, of course, compatible with the Alpha+ 5-point harness and crotch strap, allowing your child to be safely strapped in at all times
£ 29.95
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Bike Seat Post Shim Sleeve Reducer for Multiple Hole Diameters (27.2-30.8)
ZMdooreasy
£ 4.82
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Bike Hub Thru Axle Adapter 15mm to 12mm, Aluminium Alloy Conversion Seat Reducer for Road Disc Brake Hubs, Precision Fit with 3-Way Seal Ring Design, Black(Black)
【 Conversion】: This bike hub conversion seat adapter allows you to convert a 15mm shaft to a 12mm for MINI shaft, making it universally compatible with most bike hubs.
£ 4.89
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cyclingcolors Shim Bicycle Adaptor Sleeve Reducing Sleeve Seat Post Aluminium Racing Bike MTB Reducer 25.4 mm > 26.8 mm
With this reducing ring, you can mount a seat post with an outer diameter that is smaller than the inner diameter of the seat post tube of your bike This reducer is made of slotted aluminum to fit your seat post and easy to assemble without tools Total length: 80 mm, silver Inner diameter: 25.4 mm Universal use for bicycle, road bike, mountain bike, city seat post
£ 12.26
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Shophubio Aluminium Alloy Seat Post Reducer Adapter CNC Machined Sleeve For Converting Seat Tube Diameters On Road And Mountain Bikes(30.9-31.6)
[LIGHTWEIGHT AND LONG-LASTING] Made from aluminum alloy, this seatpost sleeve is designed to be lightweight while providing durability for extensive cycling .
£ 3.66
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hauck Alpha Cosy, Stretch Grey - Seat Reducer Cushion for Alpha+ Wooden Highchair, Supportive Seat Pad for Toddlers 6 Months+, Soft Fabric, Machine Washable, Anti Slip
For hauck wooden high chair: The practical seat cushion is the perfect addition to your hauck Alpha+ grow-along baby chair for your toddler from 6 to 36 months, or rather from when they begin to sit Reinforced sides: When your child has just begun to sit unaided, this highchair cushion offers extra support on the sides, avoiding slipping around in the highchair Soft and comfy: Thanks to the soft padding and high backrest, your child can lean back without worries and be comfortable in their wooden chair even when mealtime goes on longer Anti-slip: The anti-slip coating that prevents the highchair pad from sliding back and forth during your little explorer’s mealtime and playtime, offering more comfort and safety Compatible with harness: The insert cushion is, of course, compatible with the Alpha+ 5-point harness and crotch strap, allowing your child to be safely strapped in at all times
£ 24.95
free delivery
To the offer
Honseadek Aluminium Alloy Seat Post Reducer Adapter Sleeve, CNC Machined Tube Shim for Road Mountain Bike, Converts Large Diameter Frame to Smaller Seatpost(25.4-28.6)
【 Aluminum Alloy Material】Made of lightweight and aluminum alloy material, long-lasting use.
£ 3.74
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Aluminium Alloy Bike Seatpost Sleeve 27.2mm to 28.6mm Seat Tube Reducer Adapter 60mm Long(27.2-33.9mm)
PRECISE FITMENT: Adapts 27.2mm posts for 28.6mm frames to insure a secure connection without slipping during rides
£ 4.27
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Seatpost Reducer Sleeve Adapter 27.2 mm to 28.6 mm for Aluminum-Based Bicycle Seat Tube Applications (long)
[WHAT YOU GET] One seat tube reducer / seatpost adapter sleeve to convert 2mm posts for use in 28.6mm tubes; two length options (60mm, 100mm) and black finish.
£ 5.59
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QuivyLivy Bicycle Seatpost Shim, Alloy Seat Tube Reducer, Seat Post Adapter Sleeve, 27.2 To 31.6 Converter, Road Bike Frame Spacer, Mountain Bicycle Insert,(27.2-30.4)
【Seat Post Shim Tube】This bike seat post shim tube is designed to reduce the seatpost diameter and make it compatible with various seat tubes. It is suitable 2/25.4/27.2/31.6/33.9 hole diameter seat tubes. The precision machining and aluminum alloy material durability and a .
£ 4.19
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cyclingcolors Reduction Ring for Bicycle Seat Post 27.2 mm > 28.6 mm Universal Reducer Adapter
Bicycle seat post reducer. Allows you to fit a seat post in the frame tube of your bike.
£ 5.11
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Gdfnmogo Bike Hub Thru Axle Adapter 15mm to 12mm Conversion Seat Reducer, For Road Disc Brake Hubs Aluminum Alloy Lightweight Black Red Blue Gold(Black)
PRECISE SIZE CONVERSION: Adapts 15mm shafts to 12mm for seamless fork upgrades without replacing your current bike hub
£ 4.73
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Seatpost Shim, 30.9 to 33.9mm Seat Tube Reducer Sleeve, Frame Adapter for Seat Post
[FRAME REDUCER SLEEVE 9 TO 33.9mm] Package contains 1 frame reducer sleeve designed to let a 30.9mm seatpost fit into a 33.9mm seat tube, enabling seatpost swaps and upgrades without modifying your frame; fits most mountain, road, and commuter bikes.
£ 6.09
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Adjustable Shock Absorber Bike Seatpost for Mountain and Electric Bikes, Alloy 6061 Construction, Includes Reducer Sleeve for Various Seat Tube Sizes (27.2mm*350mm)
[HIGH STRENGTH ALUMINUM ALLOY] Crafted from aluminum alloy, this seatpost s exceptional strength and longevity, making it perfect for all your biking adventures.
£ 17.60
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Bicycle Seatpost Adapter Shim Tube Sleeve Reducer Compatible with Seat Post Diameters 22 2 to 34 9 mm (25.4 to 27.2)
【Seat Post Shim Tube Converter】This MTB Bicycle Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is made of high-quality aluminum alloy material, durability and practicality.
£ 6.80
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DECHOUS Mountain Bike Shock Absorber Saddle Suspension Device Alloy Spring Shocks Reducer Comfortable Bicycle Seat Cushion Replacement Part for Cycling
Enhanced comfort: the comfort bow design alleviates discomfort, making long rides more enjoyable and less strenuous,tool,mountain bike accessories
£ 14.89
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Bicycle Seatpost Adapter Shim Tube Sleeve Reducer Compatible with Seat Post Diameters 22 2 to 34 9 mm (27.2 to 28.6)
【Seat Post Shim Tube Converter】This MTB Bicycle Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is made of high-quality aluminum alloy material, durability and practicality.
£ 6.26
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Bike Seat Post Adapter Converter Reducer Sleeve Tube Shim for Adjusting Outer Diameter of Seat Tubes 22 2 33 9mm
【 Se atpost Converter】This bicycle se atpost converter is designed to fit various hole diameters (2/25.4/27.2/31.6/33., providing a solution for adapting your se atpost to different frame sizes. 【Easy Adjustment】With this se atpost adapter spacer, you can easily change the outer diameter of your bicycle se at tube without the need to purchase a new se atpost. It offers a hassle-free and cost-effective way to customize your bike setup. 【 Material】Made of aluminum alloy, this se atpost shim ensures durability and long-lasting performance. It is lightweight and adds minimal weight to your bike. 【Precise Fit】Choose the appropriate model based on the measurements of the outer diameter of your se atpost and the inner diameter of the middle tube of the frame. This se atpost sleeve provides a precise and secure fit for a stable riding experience.
£ 3.82
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Yhenlovtt Aluminum Clamp Multiple Bicycle 6061 Seatpost Alloy 36mm Tube 222mm Sleeve with Long Reducer Compatibility Reducer for Seat for Sizes (27230MM)
Durable and Practical: Alloy This Seat Tube Made of 6061 Aluminum Reducer Is Dependable and Longlasting
£ 4.24
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BESTonZON 4Pcs Bike Seat Post Reducer Shim Set Alloy Bike Seatpost Tube Adapter for 27.2 to 28.6/30.4/30.8/31.6Mm Bicycle Seatpost Conversion Sleeves
Multiple adapters in one set: receive seat post adapter sets to fulfill various seat post reducer sleeve requirements, providing flexible options for your bike seatpost tube adapter needs,seatpost tube adapter,seat post tube adapter shim
£ 13.29
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HARFINGTON Alloy Bike Seat Post Reducer Shim 27.2mm to 31.8mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 27.2 mm / 31.8 mm, Length: 60 mm / 2.36 inch, Inner diameter: 27.2 mm / 1.07 inch.
£ 17.11
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SeatTube Reducer Adapter For Bike Seat Posts 27.2 To 28.6mm - Aluminium Alloy Bicycle Seat Post Sleeve Reducer(short)
[PACKAGE CONTENTS] Includes one seatpost adapter sleeve (tube reducer) to adapt a 2mm seat post to a 28.6mm seat tube; offered in black with 60mm and 100mm options.
£ 5.29
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Aluminum For Seat Tube Reducer for Bikes, Suitable for Mountain and Road Cycling (27.2-28.6)
【 and Lightweight】Crafted from aluminum alloy material, this bicycle post tube seatpost sleeve is and lightweight, long-lasting use without adding unnecessary weight to your bike.
£ 4.45
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Bike Seat Post Shim Tube Adapter Converter Reducer for Seat Tubes with Outer Diameter 22 2 to 33 9mm (25.4-27.2)
【 Se atpost Converter】This bicycle se atpost converter is designed to fit various hole diameters (2/25.4/27.2/31.6/33., providing a solution for adapting your se atpost to different frame sizes.
£ 3.38
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cyclingcolors Bike SEATPOST Reducer 27.2mm Shim Extension Convert Tube Adapter Adaptor Cycle Vintage MTB Spacer Aluminium SEAT Post Saddle
Length: 80 mm Inner Diameter: 27.2mm Material: Aluminium
£ 10.11
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Aluminium Alloy SeatTube Reducer Adapter For 27.2 To 28.6mm Bike Seatpost - Bicycle Seat Post Sleeve Reducer(short)
[PACKAGE CONTENT] One seat tube reducer sleeve to convert a 2mm seatpost for use in a 28.6mm seat tube; single tube adapter in black, available in 60mm and 100mm length options.
£ 3.89
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To the offer
Abaodam 4Pcs Bike Seat Post Reducer Shims 27.2Mm to 28.6/30.4/30.8/31.6Mm Bicycle Seatpost Tube Adapters for Road and Mountain Bikes Cycling Parts
Enhanced stability: using this seat post shim replacement reduces unwanted movement, delivering a smoother ride and keeping your bike seatpost securely in place during cycling,bike reducing sleeve,bike seatpost tube adapter
£ 13.19
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QuivyLivy Bicycle Seat Post Shim Tube, Aluminum Alloy Reducer Adapter For 22.2-36Mm Diameter Conversion, Precision Machined Sleeve For Cycling Frame Compatibility(27.2-30.4)
【Precise Size Conversion】This MTB Bicycle Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is designed to solve the problem of mismatched frame and seat tube sizes. It comes in various models, including 4 to 27.2, 27.2 to 28.6, 27.2 to 30, 27.2 to 30.4, 27.2 to 30.9, 27.2 to 31.6, 27.2 to 33.9, 25.4 to 28.6, 25.4 to 30.9, 25.4 to 31.6, 31.6 to 33.9, 22.5 to 25.4, 28.6 to 31.8, 30.9 to 31.6, 31.6 to 36, 31.8 to 34.9, and 33.9 to 34.9.
£ 3.72
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Bicycle For Seat Post Reducer Adapter Sleeve CNC Machined Aluminum Alloy Non Slip Suitable for Multiple For Seatpost Diameter Sizes (27.2-30.4)
Besttoolifes
£ 4.29
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Aluminium Alloy Bike Seat Post Reducer Sleeve Adapter For 27.2 To 28.6mm SeatTube - Bicycle Seat Post Reducer Tube(long)
[PACKAGE CONTENT] One seat tube reducer sleeve to convert a 2mm seatpost for use in a 28.6mm seat tube; single tube adapter in black, available in 60mm and 100mm length options.
£ 5.14
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Bicycle Seat Post Reducer Sleeve, Aluminum Alloy Seat Tube Adapter For Mountain Road Bikes, CNC Machined Non-Slip Shim, Multiple Sizes Available(27.2-30.9)
[ ALUMINUM ALLOY CONSTRUCTION] Crafted from lightweight aluminum alloy, this reducer adapter ensures long-lasting performance for your biking adventures.
£ 3.91
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Bike Seat Post Sleeve Reducer Aluminum Alloy Adapter for Various Sizes 22 2 to 33 9 (27.2-30.4)
【 Compatibility】The MTB Bicycle Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is designed to fit seat tubes with hole diameters of 2mm, 25.4mm, 27.rmm, 31.6mm, and 33.9mm. It offers a solution for adapting various seat tube sizes.
£ 3.07
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QuivyLivy Bike Seat Tube Adapter, Seatpost Reducer Sleeve, Alloy Seat Collar Shim, MTB Seatpost Reducer, Road Bike Seat Adapter, CNC Machined Sleeve, Black(27.2-28.6)
【 Aluminum Alloy】Crafted from lightweight and long-lasting aluminum alloy material, the durability and longevity of the product.
£ 4.08
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Honseadek Post Bicycle for Sleeve Adapter Tube Seatpost Seat for Bike for Reducer (254316)
Heavy-duty and Seat of Aluminum This Medium Lightweight Lightweightmade Post Tube Shim Is Alloy Yet Robust Longlasting Utilization
£ 4.16
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SKISUNO 3pcs Aluminum Bike Seat Post Reducer Adapter Sleeve Precise Fit Seatpost Shim for Mountain Road Bikes Protective Lightweight Bicycle Handlebar Spacer Conversion Accessory
Lightweight efficiency: this bike handlebar spacer and seat post tube product reduces overall bike weight without sacrificing strength, supporting active cyclists aiming for easy handling,bike seatpost tube adapter,seatpost reducer sleeve
£ 13.79
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PENIKOKO 3pcs Aluminum Bike Seat Post Reducer Shim Sleeve to Tube Adapter for Mountain Road Bikes Seatpost Conversion Accessory with Wear Protection and Easy Installation
fit: this seatpost adapter functions as a reducing sleeve, supporting a wide range of seat post diameters for use as a reliable seat tube adapter on various bicycle types,seatpost shim,seat post tube
£ 13.39
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Lightweight Aluminum Bicycle Seat Post Shim Adapter Tube Sleeve Reducer for Adjusting Seatpost Fit on Frame Tubes (31.6 to 33.9)
【Seat Post Shim Tube】This MTB Bicycle Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is made of high-quality materials, durability and practicality.
£ 5.49
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Bnineteenteam Bike Seatpost Tube Adapter, 27.2mm to 30mm Aluminum Alloy Seatpost Tube Adapter Reducing Sleeve Bike Accessories
[7 DIFFERENT SIZE TO CHOOSE] There are 7 different size seat post tube adapter for you to choose from
£ 6.29
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CNC Processed Bicycle Seat Tube Reducer for 30 4 to 27 2 and 31 6 to 27 2, Optimized for Performance (30.8-27.2mm)
【 Material】Crafted with materials, this seat post shim tube sleeve reducer adapter is built to last, long-lasting durability.
£ 4.23
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NINMORTH Aluminum Seatpost Reducer Sleeve for Bike for Seat Tube - 6061 Alloy, 100 mm Length, 22.2-C36 mm Diameter Compatibility
【 and Practical】 Made of 6061 aluminum alloy, this seat tube reducer is and long-lasting.
£ 5.59
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BESPORTBLE 4pcs Bike Seat Post Adapter Shim Set, Alloy Seatpost Reducing Sleeves for 27.2mm to 28.6mm/30.4mm/30.8mm/31.6mm Conversion, Cycling Seat Tube Reducer for Mountain and Road Bikes
Enhanced stability: using this seat post shim replacement reduces unwanted movement, delivering a smoother ride and keeping your bike seatpost securely in place during cycling,professional bike seat post sleeves,alloy shim part
£ 12.99
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Bicycle Seat Post Reducer Sleeve, Aluminum Alloy Seat Tube Adapter For Mountain Road Bikes, CNC Machined Non-Slip Shim, Multiple Sizes Available(27.2-30)
[ ALUMINUM ALLOY CONSTRUCTION] Crafted from lightweight aluminum alloy, this reducer adapter ensures long-lasting performance for your biking adventures.
£ 3.95
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BESPORTBLE 3pcs Bike Seat Post Reducer Aluminum Alloy Tube Adapter Lightweight Seatpost Shim for Mountain Road Bikes Precise Fit Conversion Accessory for Folding
fit: this seatpost adapter functions as a reducing sleeve, supporting a wide range of seat post diameters for use as a reliable seat tube adapter on various bicycle types,bicycle seat post shims,seat post adapter shim
£ 9.09
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Parliky 3pcs Aluminum Bike Seat Post Reducer Adapter Shim Precise Fit Seatpost Tube Sleeve for Mountain Road Bikes Stable Riding Easy Installation Compatible Replacement Accessory
Rugged construction: crafted from strong aluminum, this bike seatpost shim and seat tube conversion shim provide performance, enduring daily riding conditions effortlessly,seat post tube adapter,bike seatpost reducer shim
£ 10.69
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Aluminum Alloy Seatpost Reducer Sleeve for Bike Seat Tubes, Post Shim Adapter Designed for Multiple Diameter Fits, and Lightweight Material (31.8-34.9MM)
【 and Practical】 Made of 6061 aluminum alloy, this seat tube reducer is and long-lasting.
£ 6.39
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Floweringbeter Aluminium Alloy Bike Seatpost Sleeve 27.2 To 28.6mm Seat Tube Reducer Adapter For Bicycle Components, 60Mm(short)
[ADAPTS 27.2MM TO 28.6MM SEATPOSTS] - Easily converts your 27.2mm seatpost for use with 28.6mm seat tubes, allowing you to fit your preferred post to a variety of bike frames with a single, secure adapter.
£ 4.30
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HOUSON bicycle seat post shim, 60 mm seat post reducing sleeves tube adapter bicycle adapter for MTB BMX mountain bike road bike e-bike 25.4mm to 27.2mm
【Package】60mm bicycle seat post shim
£ 5.99
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sourcing map 2pcs Alloy Bike Seat Post Reducer Shim 31.8mm to 34.9mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 31.8 mm / 34.9 mm, Length: 60 mm / 2.36 inch, Inner diameter: 31.8 mm / 1.25 inch.
£ 12.49
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Puupaa Aluminium Alloy Bike Seatpost Sleeve 27.2mm to 28.6mm Seat Tube Reducer Adapter for Bicycle - Compatible with 60/100mm Length(long)
[PACKAGE CONTENT] One seat tube reducer sleeve to convert a 2mm seatpost for use in a 28.6mm seat tube; single tube adapter in black, available in 60mm and 100mm length options.
£ 6.09
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MeevrgR Aluminum Alloy Seatpost Sleeve Adapter 27.2mm to 28.6mm for Bicycle Seat Tube Reducer - 60mm or 100mm
[PACKAGE CONTENT] One seat tube reducer sleeve to convert a 2mm seatpost for use in a 28.6mm seat tube; single tube adapter in black, available in 60mm and 100mm length options.
£ 5.38
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Bicycle Seat Post Reducer Sleeve 27.2Mm To 25.4Mm, Aluminium Alloy Adapter Shim For Converting Larger Frame Tube To Smaller Diameter Seatpost, Black(30.8-27.2)
【Seat post reducing sleeve】Convert a 27.2 seat post to a 25.4 seat post with ease using this practical reducing sleeve.
£ 4.52
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Seat Post Reducer Sleeve Adapter for Mountain and Road Bikes, Aluminum Alloy Tube to Convert Seat Tube Size between 30 9mm and 33 9mm
[MULTI-FUNCTIONAL ADAPTER] This Bicycle Seat Post Shim Tube Sleeve allows you to convert a 9mm seat tube to 33.9mm or vice , making it perfect for customizing your bike's fit.
£ 4.99
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sourcing map 2pcs Alloy Bike Seat Post Reducer Shim 25.4mm to 27.2mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 25.4 mm / 27.2 mm, Length: 60 mm / 2.36 inch, Inner diameter: 25.4 mm / 1 inch.
£ 11.99
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Hemobllo 3pcs Bike Seat Post Reducer Shim Aluminium Alloy Seatpost Tube Adapter with High Compatibility and Easy Installation for Mountain and Road Bikes
Reliable craftsmanship: built with aluminum alloy, this seat post tube gives you a sturdy, reliable seatpost tube adapter that stands up to rigorous daily use,bike seat post sleeve reducer,bike seatpost reducer shim
£ 10.19
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Filteilect Aluminum Alloy Seatpost Reducer Sleeve for Seat Tube, For CNC Machined Lightweight Adapter Compatible with Mountain and Road Bikes,(27.2-30.4)
For Seat Tube Reducer: Lightweight aluminum alloy construction provides long lasting performance and resists erosion from outdoor elements suitable for mountain bikes road bikes and other types with quick installation and removal thanks to fully machined superficies and anodized finish
£ 4.29
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Aluminium Bike Seatpost Reducer Sleeve (27.2 mm to 28.6 mm) – Lightweight 6061 Alloy Seat Tube Adapter for Bicycle Seatpost Reduction, Black(short)
[WHAT YOU GET] One seat tube reducer / seatpost adapter sleeve to convert 2mm posts for use in 28.6mm tubes; two length options (60mm, 100mm) and black finish.
£ 4.04
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For Bicycle Sleeve Post Shim Alloy Seat Reducer Adapter Aluminium Tube Seatpost Conversion Seat for Frame and Sleeve Tube Compatibility (316 to 339)
Seat Post Shim Tube Durability for Mtb for Bicycle Tube Bike Seat Post Shim for Sleeve Converterthis Seatpost Converter Adapter Is Made of Aluminum Alloy Texture Reducer Plus Practicality
£ 4.16
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GANOPPER Bike Seatpost Shim 28.6 to 31.8 31.6 Mountain Bike Seatpost Adapter Reducer Bushing for Remoted Controled Post
Size: 28.6 to 31.8 seatpost shims. Length: 100mm.
£ 15.20
To the offer
Belnotelt Seat Post Shim Tube Sleeve Reducer Adapter For 22.2 To 25.4 27.2 31.6 33.9 Mm Hole Diameter Frame Aluminum Alloy Light Weight(27.2 to 31.6)
【Seat Post Shim Tube】The seat post shim tube is designed for MTB bikes and serves as a converter adapter for seatpost reduction. It is made of and practical materials.
£ 3.90
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Vidonergy Seatpost Clamp for - 6061 Aluminum Alloy Seat Tube Reducer Sleeve, Long 100mm For Bike Seatpost Reducer for 22.2 to 36mm Frame Compatibility(30.9-36MM)
LIGHTWEIGHT ALUMINUM ALLOY CONSTRUCTION: -machined from 6061 aluminum alloy for superior strength and resistance, this 100mm seatpost shim adapter provides long lasting performance without adding unnecessary weight to your
£ 7.59
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Accarugty Aluminium Alloy Bike Seatpost Shim Adapter Reducer Sleeve, For 25.4 27.2 28.6 30.4 30.8 31.6 33.9 34mm to 27.2mm Conversion Black(33.9-27.2)
Multiple Size Adapter Set: Includes 8 precision-machined aluminum alloy shims for seamless seatpost diameter conversions-25.4mm to 27.2mm, 28.6mm to 27.2mm, 30.4mm to 27.2mm, 30.8mm to 27.2mm, 31.6mm to 27.2mm, 33.9mm to 27.2mm, 34mm to 27.2mm, and 27.2mm to 27.2mm (zero-drop fit).
£ 4.09
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HOHOVYVY Bike Seatpost Reducer Adapter Made from Sturdy Aluminum Alloy Material (27.2 to 30.4)
HOHOVYVY
£ 4.69
To the offer
Posheliox Bike Seatpost Shim 22.2 to 25.4mm, Aluminium Alloy Seat Tube Reducer Sleeve, CNC Machined Bicycle Adapter 100mm Length for Mountain Bike Frame(22.2 to 25.4mm L)
[WHAT YOU GET] One bike seatpost reducer sleeve that adapts a 2mm seatpost to a 25.4mm frame tube, offered in 60mm and 100mm lengths with a black anodized finish.
£ 4.49
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cyclingcolors Shim Bicycle Adaptor Sleeve Reducing Sleeve Seat Post Aluminium Racing Bike MTB Reducer 31.6 mm > 34.9 mm Black
With this reducing ring, you can mount a seat post with an outer diameter that is smaller than the inner diameter of the seat post tube of your bike This reducer is made of slotted aluminum to fit your seat post and easy to assemble without tools Total length: 80 mm, black Inner diameter: 31.9 mm Universal use for bicycle, road bike, mountain bike, city seat post
£ 20.89
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Gdfnmogo Alloy Seat Post Reducer Sleeve Bicycle Seat Tube Adapter CNC Machined Shim Lightweight Non Slip Liner For MTB Road(30.9-31.6)
[LIGHTWEIGHT AND LONG-LASTING] Made from aluminum alloy, this seatpost sleeve is designed to be lightweight while providing durability for extensive cycling .
£ 3.99
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Jotekonoby Frame Diameter Converter, Cycling Seat Bushing, Seat Tube Reducer Adapter, 25.4 To 28.6 Shim(25.4-28.6)
【Bicycle Seat Post Tube Shim】This adapter sleeve is designed to change the outer diameter of your bicycle seat tube, allowing you to easily adjust the diameter of your seatpost without the hassle of repurchasing a new one.
£ 3.72
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Frame Size Conversion Sleeve For Bikes, Bicycle Seatpost Reducer 25.4 To 22.2Mm, Lightweight Aluminum Seat Tube Reducer(25.4 to 28.6)
PRECISE SIZE ADAPTER: Solves frame mismatches by converting 25.4, 27.2, or 31.6mm posts to fit 22.2mm frames seamlessly
£ 4.25
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TDCuizent Bicycle Seat Post Shim Reducer Sleeve Aluminium Alloy Tube Extension Adapter for Cycling Component Accessory 100mm Length
【 Material】Crafted from and practical 6061 aluminum alloy, long-lasting performance and reliability. 【 Sizes】Available in multiple size options, including 2 to 25.4MM, 25.4 to 27.2MM, 25.4 to 28.6MM, and more, providing compatibility with various seat tube diameters. 【Easy Installation】Simple and straightforward installation process, allowing for hassle-free setup and quick integration with your bicycle's seatpost. 【Secure and Stable】Designed to reduce the seat tube diameter, providing a secure and stable fit between the seatpost and the bike frame. 【Compact Packaging】Comes packaged in an bag, safe delivery and convenient storage.
£ 5.29
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Seatpost Reducer Sleeve for Bike Seat Tubes, 6061 Aluminum Alloy Post Shim Adapter, Lightweight and Cycling Accessory for Diameter Adjustment (27.2-31.6MM)
【 and Practical】 Made of 6061 aluminum alloy, this seat tube reducer is and long-lasting.
£ 5.29
free delivery
To the offer
sourcing map Alloy Bike Seat Post Reducer Shim 27.2mm to 30.0mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 27.2 mm / 30.0 mm, Length: 60 mm / 2.36 inch, Inner diameter: 27.2 mm / 1.07 inch.
£ 9.59
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To the offer
Bicycle Seatpost Shim Reducer Adapter Sleeve(25.4-27.2)
Posheliox
£ 3.83
To the offer
Jotekonoby Aluminum Alloy Seatpost Reducer Sleeve for Seat Tube 34.9mm to 30.9mm, Compatible with Mountain Bike and Road Bike Frames(27.2-30.4)
Aluminum Alloy Construction:Crafted from aluminum alloy material, this bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 3.35
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To the offer
Accarugty Bicycle Seat Post Shim Tube Reducer Adapter, For 22.2mm to 34.9mm Frame Conversion, Aluminum Alloy Sleeve, For Road MTB Cycling Parts, Precision Machined Fit(27.2-30.4)
【 and Practical】Made of and practical materials, this MTB Bicycle Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is built to last.
£ 3.90
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To the offer
Jotekonoby Aluminum Alloy Seatpost Reducer Sleeve for Seat Tube 34.9mm to 30.9mm, Compatible with Mountain Bike and Road Bike Frames(27.2-31.6)
Aluminum Alloy Construction:Crafted from aluminum alloy material, this bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 3.31
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To the offer
sourcing map Alloy Bike Seat Post Reducer Shim 30.9mm to 33.9mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 30.9 mm / 33.9 mm, Length: 60 mm / 2.36 inch, Inner diameter: 30.9 mm / 1.22 inch.
£ 9.39
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Jotekonoby Bicycle Seat Post Reducer, Seatpost Shim Adapter 25.4Mm, Mountain Bike Frame Converter, Road Bicycle Bushing Insert, Aluminum Alloy Seat Tube Adapter(25.4 to 28.6)
【Bike Reducer Bushing】Made of high-strength, aluminum alloy material.
£ 3.99
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To the offer
HOUSON bicycle seat post shim, 60 mm seat post reducing sleeves tube adapter bicycle adapter for MTB BMX mountain bike road bike e-bike 27.2mm to 30.8mm
【Package】60mm bicycle seat post shim
£ 11.69
To the offer
BESPORTBLE 3pcs Aluminum Alloy Bike Seat Post Reducer Adapter Shim Lightweight Seatpost Sleeve for Mountain and Road Bikes Seat Tube Conversion Sleeve Enhancing Stability and Easy Maintenance
Lightweight efficiency: this bike handlebar spacer and seat post tube product reduces overall bike weight without sacrificing strength, supporting active cyclists aiming for easy handling,
£ 9.09
free delivery
To the offer
Bulevisiter Aluminum Alloy Seat Post Reducer Sleeve 27.2mm to 25.4mm for Frame Seat Tube Compatibility with Smaller Diameter Seatposts(30.8-27.2)
Seat Post Reducer Sleeve: Perfect for adapting your seat tube to fit various diameter seatposts, this aluminum alloy reducer ensures a secure and wobble- connection between mismatched components, making it general for mountain bikes and road bikes
£ 4.69
To the offer
Winlaovate Aluminum Bicycle Seatpost Reducer Sleeve – 30.9 mm to 33.9 mm Conversion alterer for Mountain Bike & Road Bike Frame Seat Tubes, CNC-Machined
Winlaovate
£ 4.56
To the offer
sourcing map Alloy Bike Seat Post Reducer Shim 25.4mm to 28.6mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 25.4 mm / 28.6 mm, Length: 60 mm / 2.36 inch, Inner diameter: 25.4 mm / 1 inch.
£ 9.29
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To the offer
QuivyLivy, For Seatpost Reducer Adapter, Aluminum Alloy Seat Tube Sleeve, Bike Seat Post Diameter Converter, Cnc Machined Seatpost Shim, Mountain Road Bike Reducer(27.2-31.6)
【 Aluminum Alloy】Crafted from lightweight and long-lasting aluminum alloy material, the durability and longevity of the product.
£ 3.85
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Aluminium Alloy Bicycle Seatpost Reducer Adapter, CNC Machined Seat Tube Sleeve for Converting Large Frame to Smaller Post, Non-Slip Fit for Mountain Road Bikes, Black(27.2-30.4)
【 Aluminum Alloy】Crafted from lightweight and long-lasting aluminum alloy material, the durability and longevity of the product.
£ 3.75
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To the offer
Jotekonoby Aluminum Alloy Seatpost Reducer Sleeve for Seat Tube 34.9mm to 30.9mm, Compatible with Mountain Bike and Road Bike Frames(27.2-28.6)
Aluminum Alloy Construction:Crafted from aluminum alloy material, this bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 3.21
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To the offer
6061 Aluminum Bike Seat Tube Reducer Sleeve, Post Shim for Seatposts, Compatible with Multiple Diameter Conversions, Lightweight and Cycling Component (33.9-34.9MM)
【Seat Tube Reducer】Constructed with and practical 6061 aluminum alloy, this seat tube reducer is built to last.
£ 5.01
free delivery
To the offer
Bicycle Seatpost Shim Tube Sleeve Reducer Adapter for Seat Tubes with Hole Diameters from 22 2mm to 33 9mm Aluminum Alloy Lightweight Construction (27.2 to 28.6)
【Seat Post Shim Tube】This MTB Bicycle Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is made of high-quality materials, durability and practicality.
£ 4.89
free delivery
To the offer
Desiumite Aluminum Alloy Seatpost Reducer Adapter for Mountain and Road Bikes, For CNC Machined Anodized Sleeve Compatible with 22.2mm to 36mm Seat Tubes(31.8-34.9)
Seat Post: For CNC machined aluminum alloy seat tube reducer sleeve for 22.2 to 36mm diameter bikes ensures secure fit on mountain bikes road bikes and general bicycles with precise compatibility across multiple size transitions including 25.4 to 31.6 and 30.9 to 36
£ 4.41
To the offer
Bicycle Seat Post Reducer Shim 6061 Aluminum Alloy Sleeve(27.2-28.6MM)
Posheliox
£ 3.93
To the offer
Aluminum Alloy Bike Seatpost Shim Reducer Adapter, CNC Machined Sleeve for Road and Mountain Bicycle Seat Tube Size Conversion, Lightweight Non-Slip (30.9-31.6)
Generic
£ 4.14
To the offer
Shophubio Aluminum Alloy Seatpost Shim for Seat Post Adapter, Seat Tube Reducer Sleeve with Machining, Compatible with(27.2-30.4)
Precise Size Conversion: This for Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is designed to solve the problem of mismatched frame and seat tube sizes. It comes in various models, including 4 to 27.2, 27.2 to 28.6, 27.2 to 30, 27.2 to 30.4, 27.2 to 30.9, 27.2 to 31.6, 27.2 to 33.9, 25.4 to 28.6, 25.4 to 30.9, 25.4 to 31.6, 31.6 to 33.9, 22.5 to 25.4, 28.6 to 31.8, 30.9 to 31.6, 31.6 to 36, 31.8 to 34.9, and 33.9 to 34.9.
£ 4.29
free delivery
To the offer
Bulevisiter Seatpost Clamp for - 6061 Aluminum Alloy Seat Tube Reducer Sleeve, Long 100mm For Bike Seatpost Reducer for Compatibility with 22.2 to(27.2-31.6MM)
Long Reducer: This For bike seatpost sleeve provides a solution for mismatched seat tube and post diameters, allowing you to use your preferred seatpost with various frames without compatibility concerns
£ 5.35
To the offer
Rehoetom Aluminum Alloy Seatpost Clamp Reducer Sleeve for Seat Tube, For CNC Machined & Anodized, Non-Slip For Bike Adapter for Mountain and Road Bikes(27.2-31.6)
Aluminum Alloy Construction:Crafted from aluminum alloy material, this For bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 4.28
free delivery
To the offer
Bulevisiter Seatpost Clamp for - 6061 Aluminum Alloy Seat Tube Reducer Sleeve, Long 100mm For Bike Seatpost Reducer for Compatibility with 22.2 to(31.8-34.9MM)
Long Reducer: This For bike seatpost sleeve provides a solution for mismatched seat tube and post diameters, allowing you to use your preferred seatpost with various frames without compatibility concerns
£ 5.24
To the offer
Bulevisiter Seatpost Clamp for - 6061 Aluminum Alloy Seat Tube Reducer Sleeve, Long 100mm For Bike Seatpost Reducer for Compatibility with 22.2 to(31.6-33.9MM)
Long Reducer: This For bike seatpost sleeve provides a solution for mismatched seat tube and post diameters, allowing you to use your preferred seatpost with various frames without compatibility concerns
£ 5.09
To the offer
Rehoetom Aluminum Alloy Seatpost Clamp Reducer Sleeve for Seat Tube, For CNC Machined & Anodized, Non-Slip For Bike Adapter for Mountain and Road Bikes(27.2-30.4)
Aluminum Alloy Construction:Crafted from aluminum alloy material, this For bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 4.28
free delivery
To the offer
Bulevisiter Seatpost Clamp for - 6061 Aluminum Alloy Seat Tube Reducer Sleeve, Long 100mm For Bike Seatpost Reducer for Compatibility with 22.2 to(30.9-33.9MM)
Long Reducer: This For bike seatpost sleeve provides a solution for mismatched seat tube and post diameters, allowing you to use your preferred seatpost with various frames without compatibility concerns
£ 5.09
To the offer
cyclingcolors Bike SEATPOST Reducer 27.2mm Shim Extension Convert Tube Adapter Adaptor Cycle Vintage MTB Spacer Aluminium SEAT Post Saddle
Length: 80 mm Inner Diameter: 27.2mm Material: Aluminium
£ 5.11
To the offer
Bulevisiter Seatpost Clamp for - 6061 Aluminum Alloy Seat Tube Reducer Sleeve, Long 100mm For Bike Seatpost Reducer for Compatibility with 22.2 to(27.2-30MM)
Long Reducer: This For bike seatpost sleeve provides a solution for mismatched seat tube and post diameters, allowing you to use your preferred seatpost with various frames without compatibility concerns
£ 5.09
To the offer
29% discount
sourcing map 2pcs Alloy Bike Seat Post Reducer Shim 33.9mm to 36mm 60mm Length Aluminum Bicycle Reducing Sleeve Conversion Seat Post Tube Adapter for Mountain Bike Road Bike City Bike
Size - Diameter Variation Range: 33.9 mm / 36 mm, Length: 60 mm / 2.36 inch, Inner diameter: 33.9 mm / 1.33 inch.
£ 8.49
£ 11.99
To the offer
For Plus Seat Post Shim Tube Sleeve Aluminium Adapter Reducer Alloy Seatpost Seat Sleeve for Frame Bicycle Conversion Tube Compatibility (272 to 339)
For Post Bicycle Tube Converterthis Adapter Mtb Seat Shim for Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter for Is Made of Aluminum Alloy Substance Durability Plus Practicality
£ 4.26
free delivery
To the offer
Bulevisiter Seatpost Clamp for - 6061 Aluminum Alloy Seat Tube Reducer Sleeve, Long 100mm For Bike Seatpost Reducer for Compatibility with 22.2 to(33.9-34.9MM)
Long Reducer: This For bike seatpost sleeve provides a solution for mismatched seat tube and post diameters, allowing you to use your preferred seatpost with various frames without compatibility concerns
£ 4.99
To the offer
Bike Seatpost Sleeve Adapter 27.2 to 28.6mm 6061 Alloy Seat Tube Reducer Lightweight Insert Black 60mm 100mm Options Stable Conversion for MTB Road Bicycle(long)
[PACKAGE CONTENT] One seat tube reducer sleeve to convert a 2mm seatpost for use in a 28.6mm seat tube; single tube adapter in black, available in 60mm and 100mm length options.
£ 6.09
free delivery
To the offer
Jotekonoby Seatpost Reducer Sleeve for Frame, 6061 Aluminum Alloy Seat Tube Shim with 22.2 to 36mm Compatibility (27.2 to 31.6mm)(27.2-30MM)
Durable and Practical: Made of 6061 aluminum alloy, this seat tube reducer is durable and long-lasting
£ 4.17
free delivery
To the offer
Bulevisiter Seatpost Clamp for - 6061 Aluminum Alloy Seat Tube Reducer Sleeve, Long 100mm For Bike Seatpost Reducer for Compatibility with 22.2 to(30.9-31.6MM)
Long Reducer: This For bike seatpost sleeve provides a solution for mismatched seat tube and post diameters, allowing you to use your preferred seatpost with various frames without compatibility concerns
£ 4.89
To the offer
Bicycle Seatpost Reducer Sleeve — 6061 Aluminum Alloy Seat Tube Shim Adapter Compatible with Seatpost Clamp Sizes 22.2 to 25.4 mm, 25.4 to 27.2 mm, 27.2 to 31.6 mm(30.9-36MM)
【Seat Tube Reducer】Constructed with durable- and practical 6061 aluminum alloy, this seat tube reducer is built to last.
£ 6.09
free delivery
To the offer
Niceminiwall Aluminum Alloy Seatpost Reducer Sleeve for Seat Tube - Compatible with Mountain, Road, and Commuter Bikes, For CNC Machined Anodized Finish, Non-Slip(27.2-30.9)
For Seat Tube Reducer: For CNC machined aluminum alloy construction provides long lasting performance and resistance while secure fit for general For bike frame compatibility
£ 4.08
To the offer
Aluminium Alloy Bike Seatpost Reducer Sleeve, 27.2mm to 28.6mm Seat Tube Adapter for Road Bicycle, Lasting 6061 Alloy Step-Down Shim Compatible with Mountain(short)
LIGHTWEIGHT ALUMINIUM ALLOY: Perfect for road and mountain bikes, this bike seatpost adapter offers strength without adding extra weight, improving riding comfort
£ 4.16
free delivery
To the offer
Desiumite Aluminum Alloy Seatpost Reducer Sleeve for Seat Tube Compatibility with Mountain and Road Bikes, For CNC Machined Anodized For Bike Adapter for Large to Small(27.2-30.9)
For Seat Tube Reducer: Lightweight aluminum alloy construction provides long lasting performance and resists erosion for reliable use across mountain bikes road bikes and general bicycles with quick installation and removal
£ 3.98
To the offer
Rehoetom Aluminum Alloy Seatpost Clamp Reducer Sleeve for Seat Tube, For CNC Machined & Anodized, Non-Slip For Bike Adapter for Mountain and Road Bikes(27.2-28.6)
Aluminum Alloy Construction:Crafted from aluminum alloy material, this For bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 4.08
free delivery
To the offer
Jonikuper Seatpost Reducer Sleeve Aluminium Alloy Adapter for Road and Mountain Bikes, For CNC Machined Non-Slip Seat Tube Shim Compatible with Multiple Diameter Sizes 22.2mm to 34.9mm(25.4-28.6)
Seat Post Reducer: Aluminum alloy construction provides long lasting performance for cyclists needing a reliable solution to fit larger seatposts into smaller frames For CNC machined and anodized finish ensures precise dimensions and smooth installation Compatible with mountain bikes road bikes and general types
£ 4.18
To the offer
Jonikuper Seatpost Reducer Sleeve Aluminium Alloy Adapter for Road and Mountain Bikes, For CNC Machined Non-Slip Seat Tube Shim Compatible with Multiple Diameter Sizes 22.2mm to 34.9mm(27.2-30)
Seat Post Reducer: Aluminum alloy construction provides long lasting performance for cyclists needing a reliable solution to fit larger seatposts into smaller frames For CNC machined and anodized finish ensures precise dimensions and smooth installation Compatible with mountain bikes road bikes and general types
£ 4.18
To the offer
Jotekonoby Seatpost Reducer Sleeve for Frame, 6061 Aluminum Alloy Seat Tube Shim with 22.2 to 36mm Compatibility (27.2 to 31.6mm)(30.9-33.9MM)
Durable and Practical: Made of 6061 aluminum alloy, this seat tube reducer is durable and long-lasting
£ 4.06
free delivery
To the offer
Vidonergy Seatpost Clamp for - 6061 Aluminum Alloy Seat Tube Reducer Sleeve, Long 100mm For Bike Seatpost Reducer for 22.2 to 36mm Frame Compatibility(30.9-33.9MM)
LIGHTWEIGHT ALUMINUM ALLOY CONSTRUCTION: -machined from 6061 aluminum alloy for superior strength and resistance, this 100mm seatpost shim adapter provides long lasting performance without adding unnecessary weight to your
£ 5.29
free delivery
To the offer
Jonikuper Seatpost Reducer Sleeve Aluminium Alloy Adapter for Road and Mountain Bikes, For CNC Machined Non-Slip Seat Tube Shim Compatible with Multiple Diameter Sizes 22.2mm to 34.9mm(22.2-25.4)
Seat Post Reducer: Aluminum alloy construction provides long lasting performance for cyclists needing a reliable solution to fit larger seatposts into smaller frames For CNC machined and anodized finish ensures precise dimensions and smooth installation Compatible with mountain bikes road bikes and general types
£ 4.18
To the offer
Jonikuper Seatpost Reducer Sleeve Aluminium Alloy Adapter for Road and Mountain Bikes, For CNC Machined Non-Slip Seat Tube Shim Compatible with Multiple Diameter Sizes 22.2mm to 34.9mm(27.2-31.6)
Seat Post Reducer: Aluminum alloy construction provides long lasting performance for cyclists needing a reliable solution to fit larger seatposts into smaller frames For CNC machined and anodized finish ensures precise dimensions and smooth installation Compatible with mountain bikes road bikes and general types
£ 4.18
To the offer
Bicycle Seat Post Reducer Sleeve, Aluminum Alloy Seat Tube Adapter For Mountain Road Bikes, CNC Machined Non-Slip Shim, Multiple Sizes Available(28.6-31.8)
[ ALUMINUM ALLOY CONSTRUCTION] Crafted from lightweight aluminum alloy, this reducer adapter ensures long-lasting performance for your biking adventures.
£ 4.03
free delivery
To the offer
Vidonergy Seatpost Clamp for - 6061 Aluminum Alloy Seat Tube Reducer Sleeve, Long 100mm For Bike Seatpost Reducer for 22.2 to 36mm Frame Compatibility(30.9-31.6MM)
LIGHTWEIGHT ALUMINUM ALLOY CONSTRUCTION: -machined from 6061 aluminum alloy for superior strength and resistance, this 100mm seatpost shim adapter provides long lasting performance without adding unnecessary weight to your
£ 5.09
free delivery
To the offer
Jonikuper Seatpost Reducer Sleeve Aluminium Alloy Adapter for Road and Mountain Bikes, For CNC Machined Non-Slip Seat Tube Shim Compatible with Multiple Diameter Sizes 22.2mm to 34.9mm(33.9-34.9)
Seat Post Reducer: Aluminum alloy construction provides long lasting performance for cyclists needing a reliable solution to fit larger seatposts into smaller frames For CNC machined and anodized finish ensures precise dimensions and smooth installation Compatible with mountain bikes road bikes and general types
£ 4.08
To the offer
Bike Seat Tube Reducer Sleeve, Aluminum Alloy Seatpost Shim for Adjusting Bike Seatpost Size from 22 2mm to 34 9mm Diameter, Lightweight and (30.9-33.9MM)
【 and Practical】 Made of 6061 aluminum alloy, this seat tube reducer is and long-lasting.
£ 4.76
free delivery
To the offer
Vidonergy Seat Post Reducer Sleeve for Aluminum Alloy Seat Tube Adapter, For CNC Machined Lightweight For Bike Component Compatible with Mountain and Road Bikes(25.4-31.6)
HIGH FIT: For CNC machined aluminum alloy seat tube adapter converts various seatpost diameters from 22.2mm to 34.9mm, enabling perfect compatibility between oversized seat tubes and standard seatposts on road bikes, mountain bikes and folding bicycles
£ 4.89
free delivery
To the offer
6061 Aluminum Alloy Seat Tube Reducer Sleeve for Bicycle Seatposts, Post Shim Adapter with Multiple Diameter Fits, Lightweight and Long Lasting Cycling Accessory (27.2-30MM)
【Seat Tube Reducer】Constructed with and practical 6061 aluminum alloy, this seat tube reducer is built to last.
£ 4.69
free delivery
To the offer
Bicycle Seat Post Reducer Adapter Sleeve(27.2-30.9)
Posheliox
£ 3.80
To the offer
Vidonergy Seat Post Reducer Sleeve for Aluminum Alloy Seat Tube Adapter, For CNC Machined Lightweight For Bike Component Compatible with Mountain and Road Bikes(22.2-25.4)
HIGH FIT: For CNC machined aluminum alloy seat tube adapter converts various seatpost diameters from 22.2mm to 34.9mm, enabling perfect compatibility between oversized seat tubes and standard seatposts on road bikes, mountain bikes and folding bicycles
£ 4.59
free delivery
To the offer
Vidonergy Seat Post Reducer Sleeve for Aluminum Alloy Seat Tube Adapter, For CNC Machined Lightweight For Bike Component Compatible with Mountain and Road Bikes(25.4-30.9)
HIGH FIT: For CNC machined aluminum alloy seat tube adapter converts various seatpost diameters from 22.2mm to 34.9mm, enabling perfect compatibility between oversized seat tubes and standard seatposts on road bikes, mountain bikes and folding bicycles
£ 4.59
free delivery
To the offer
Vidonergy Seat Post Reducer Sleeve for Aluminum Alloy Seat Tube Adapter, For CNC Machined Lightweight For Bike Component Compatible with Mountain and Road Bikes(27.2-30.8)
HIGH FIT: For CNC machined aluminum alloy seat tube adapter converts various seatpost diameters from 22.2mm to 34.9mm, enabling perfect compatibility between oversized seat tubes and standard seatposts on road bikes, mountain bikes and folding bicycles
£ 4.49
free delivery
To the offer
babominimer For Aluminum Alloy For Bicycle Seat Post Tube Reducer Sleeve Adapter for 22.2 to 36mm Diameter Conversion Compatible with Mountain and Road Bikes(27.2-30.4)
Seat Post Reducer Sleeve: Perfect for adapting your For bicycle seat tube to fit various diameter seatposts, this aluminum alloy reducer ensures a secure and wobble-connection between mismatched components, making it general for mountain bikes and road bikes
£ 4.48
free delivery
To the offer
Vidonergy Seat Post Reducer Sleeve for Aluminum Alloy Seat Tube Adapter, For CNC Machined Lightweight For Bike Component Compatible with Mountain and Road Bikes(25.4-28.6)
HIGH FIT: For CNC machined aluminum alloy seat tube adapter converts various seatpost diameters from 22.2mm to 34.9mm, enabling perfect compatibility between oversized seat tubes and standard seatposts on road bikes, mountain bikes and folding bicycles
£ 4.49
free delivery
To the offer
Vidonergy Seat Post Reducer Sleeve for Aluminum Alloy Seat Tube Adapter, For CNC Machined Lightweight For Bike Component Compatible with Mountain and Road Bikes(33.9-34.9)
HIGH FIT: For CNC machined aluminum alloy seat tube adapter converts various seatpost diameters from 22.2mm to 34.9mm, enabling perfect compatibility between oversized seat tubes and standard seatposts on road bikes, mountain bikes and folding bicycles
£ 4.49
free delivery
To the offer
Aluminum Alloy Bicycle,Seat Post Reducer Sleeve, CNC Machined Non-Slip Bike Seat Tube Adapter,for Mountain Bike and Road Bike, 22.2 to 36mm Diameter (25.4-28.6)
BICYCLE SEAT POST REDUCER: Perfect for cyclists needing to fit smaller seatposts into larger frames with precision and reliability
£ 4.02
free delivery
To the offer
Vidonergy Seat Post Reducer Sleeve for Aluminum Alloy Seat Tube Adapter, For CNC Machined Lightweight For Bike Component Compatible with Mountain and Road Bikes(30.9-31.6)
HIGH FIT: For CNC machined aluminum alloy seat tube adapter converts various seatpost diameters from 22.2mm to 34.9mm, enabling perfect compatibility between oversized seat tubes and standard seatposts on road bikes, mountain bikes and folding bicycles
£ 4.39
free delivery
To the offer
Bicycle Seat Post Reducer Adapter for Mountain and Road Bikes, Aluminum Alloy CNC Machined Non-Slip Seat Tube Sleeve, Lightweight Bike Component(25.4-30.9)
BICYCLE SEAT POST REDUCER: Perfect for cyclists needing to fit smaller seatposts into larger frames with precision and reliability
£ 4.13
free delivery
To the offer
Rehoetom Aluminum Alloy Seatpost Reducer Sleeve for Seat Tube Diameter Adapter – 22.2mm to 36mm For CNC Machined & Anodized, Compatible with Road, Mount(27.2-28.6)
ALUMINUM ALLOY CONSTRUCTION: Crafted from lightweight aluminum alloy, this reducer adapter is built to last, reliable performance for all your biking adventures
£ 4.00
free delivery
To the offer
AugustknowU 27.2 To 28.6mm Seatpost Reducer Sleeve/Bicycle Seat Tube Adapter, Alloy 6061 Reducer Tube With 60MM Or 100MM Length, Compact, Adapt Seatpost Diameter For Various Frames(long)
[BIKE SEATPOST SLEEVE 2 TO 28.6MM] Designed to adapt 27.2mm seatposts into 28.6mm seat tubes, offering a simple way to use preferred posts across different frames and models.
£ 4.94
free delivery
To the offer
Honseadek Bicycle Seatpost Sleeve Shim for 33.9mm Folding Bike Seat Tube, Plastic Reducer Adapter for Oversized Frame, Foldable Bicycle Part Accessory
【for Perfect Fit】This seatpost sleeve is specifically designed for 9mm folding bicycle seat tubes. It ensures a for perfect fit for your oversized seat tube, allowing you to enjoy a secure and comfortable riding experience.
£ 3.29
free delivery
To the offer
Bicycle Seatpost Reducer Sleeve Shim, 6061 Aluminum Alloy Seat Tube Adapter for Mountain and Road Bike Frame, Compatible with 22.2 to 25.4 mm, 25.4 to 27.2 mm(30.9-33.9MM)
【Seat Tube Reducer】Constructed with durable- and practical 6061 aluminum alloy, this seat tube reducer is built to last.
£ 4.74
free delivery
To the offer
Bike Saddle Shim - Bicycles Seatpost Conversion Sleeve, Lightweight Alloy Tube Reducer | Road Seat Tube Extender, Cycling Adapter for Touring Folding Hybrid
Effortless Conversion Advantage: Modernize your seat post fitting process by using our Seat Post Adapter. Convert 25.4mm seat posts to 27.2mm without changing the post for a simple, convenient, and quick upgrade
£ 4.59
free delivery
To the offer
Pumixiy 25.4-30.9, Aluminum Alloy For Bicycle Seat Post Reducer Adapter for Mountain Bikes, Road Bikes - For CNC Machined Anodized Sleeve 22.2 to 36mm Compatible with Multi-Size Seat Tubes
Durable and Lightweight:Made of aluminum alloy material, this seat post tube shim is lightweight yet durable, long-lasting use
£ 4.28
free delivery
To the offer
Besttoolifes Aluminum Alloy Bicycle Seatpost Clamp, For Seat Post Reducer Adapter, CNC Machined Anodized for Mountain Bike, Road Bike, Bike Seat Tube Sleeve(27.2-30.4)
Aluminum Alloy Construction:Crafted from aluminum alloy material, this For MTB For Bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 4.26
free delivery
To the offer
Jotekonoby Aluminum Alloy for Bicycle Anodized Post Reducer Seat for Mtb and Road Bikes for Cnc Machined 222m for Bike Adapter Tube Sleeve Compatible Having Seat (309339)
Tough and Lightweightmade Ensuring Aluminum Is Composition This Seat Post Alloy Shim Tube Featherweight Yet Sturdy of Longlasting Usage
£ 4.26
free delivery
To the offer
Besttoolifes Aluminum Alloy Bicycle Seatpost Clamp, For Seat Post Reducer Adapter, CNC Machined Anodized for Mountain Bike, Road Bike, Bike Seat Tube Sleeve(27.2-31.6)
Aluminum Alloy Construction:Crafted from aluminum alloy material, this For MTB For Bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 4.20
free delivery
To the offer
Aluminum Alloy Seat Tube Reducer Adapter for Bicycle, CNC Machined Non-Slip Bike Seatpost Sleeve, Lightweight Bicycle Component Compatible with Mountain and(30.9-33.9)
BICYCLE SEAT POST REDUCER: Perfect for cyclists needing to fit smaller seatposts into larger frames with precision and reliability
£ 4.14
free delivery
To the offer
For Adapter Seat Post Shim Tube Sleeve Aluminium Bicycle Tube Alloy Seatpost Conversion Sleeve for Frame and Seat Reducer Compatibility (254 to 286)
Seat Post Shim Practicality Converterthis for Mtb for Bicycle for Bike Seat Post Aluminum Tube Sleeve Reducer of Converter Adapter Is Made Seatpost Shim Alloy Substance Durability Plus Tube
£ 4.16
free delivery
To the offer
Bike Seatpost Sleeve Shim Adapter for 25 4mm to 31 6mm, 28 6mm, 27 2mm Seat Tube Reducer Made of 6061 Aluminum Alloy CNC Machined with Anodized Finish (25.4-30.9mm)
[MULTIPLE SIZES AVAILABLE] This seatpost sleeve shim is designed to adapt various sizes, including 4mm to 27.2mm, 25.4mm to 28.6mm, 25.4mm to 30.9mm, and 25.4mm to 31.6mm, compatibility with a wide range of bike setups.
£ 4.70
free delivery
To the offer
Besttoolifes Aluminum Alloy Bicycle Seatpost Clamp, For Seat Post Reducer Adapter, CNC Machined Anodized for Mountain Bike, Road Bike, Bike Seat Tube Sleeve(27.2-28.6)
Aluminum Alloy Construction:Crafted from aluminum alloy material, this For MTB For Bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 4.06
free delivery
To the offer
Bicycle Seat Post Reducer Sleeve, Aluminum Alloy Seat Tube Adapter For Mountain Road Bikes, CNC Machined Non-Slip Shim, Multiple Sizes Available(31.8-34.9)
[ ALUMINUM ALLOY CONSTRUCTION] Crafted from lightweight aluminum alloy, this reducer adapter ensures long-lasting performance for your biking adventures.
£ 3.98
free delivery
To the offer
Bicycle Saddle Tube Seat Post Reducer Adapter Bike Adjust Diameter Professional Tube 27.2-28.6 Bicycle Seatpost Reducer Fashion Design
Design: CNC machining, anode surface painting, anti-rust and anti-corrosion.
£ 3.39
free delivery
To the offer
SHINEOFI 3pcs Bike Seat Post Reducer Adapter Sleeve Made of Aluminium Alloy for Folding and Mountain Bikes High Compatibility and Wear Protection
High compatibility: the bike seat post reducer providing a secure bike seat post tube adapter solution for different bikes and adapting to multiple seat posts,bike part,aluminum alloy seat post shim
£ 10.19
free delivery
To the offer
SageFurned for Bike Seatpost Sleeve Adapter 27.2 to 28.6 mm Aluminium Alloy Reducer for Bicycle Seat Tube, 60mm or 100mm
[PACKAGE CONTENT] One seat tube reducer sleeve to convert a 2mm seatpost for use in a 28.6mm seat tube; single tube adapter in black, available in 60mm and 100mm length options.
£ 4.30
To the offer
MeevrgR Aluminium Alloy for Bike Seatpost Sleeve 27.2 to 28.6mm Seat Tube Reducer Adapter for, 60 mm or 100 mm short
[PACKAGE CONTENT] One seat tube reducer sleeve to convert a 2mm seatpost for use in a 28.6mm seat tube; single tube adapter in black, available in 60mm and 100mm length options.
£ 4.68
To the offer
Bike Seatpost Sleeve Shim, For 33.9mm Folding Bicycle Frame, Plastic Reducer Adapter Tube to Fit Oversized Seat Post, White
【Perfect fits for Folding Bicycle Seat Tube】This sleeve shim is specially designed for 9mm folding bicycle seat tubes, a perfect fits.
£ 3.36
free delivery
To the offer
Shophubio Aluminum Alloy Seat Post Reducer Sleeve 27.2mm to 25.4mm - For Bike Seat Tube Converter Adapter for Cycling Components, Black(30.8-27.2)
Features: Convenient seat post conversion:This reducing sleeve allows you to convert a 27
£ 4.29
To the offer
Dolvitrny Aluminum For Seatpost Shim Tube Sleeve – Seat Tube Reducer Adapter for 22.2/25.4/27.2/31.6/33.9 mm Diameters, For Bike Seatpost Size Converter(27.2-30.4)
Precise Size Conversion: This for Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is designed to solve the problem of mismatched frame and seat tube sizes. It comes in various models, including 4 to 27.2, 27.2 to 28.6, 27.2 to 30, 27.2 to 30.4, 27.2 to 30.9, 27.2 to 31.6, 27.2 to 33.9, 25.4 to 28.6, 25.4 to 30.9, 25.4 to 31.6, 31.6 to 33.9, 22.5 to 25.4, 28.6 to 31.8, 30.9 to 31.6, 31.6 to 36, 31.8 to 34.9, and 33.9 to 34.9.
£ 4.38
To the offer
Hosrivae Aluminum Alloy Seatpost Reducer Sleeve for Seat Tube Adapter – For CNC Machined, Anodized, Lightweight & Non-Slip Fit for Road/Mountain Bikes(27.2-28.6)
Aluminum Alloy Construction:Crafted from aluminum alloy material, this For bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 4.12
To the offer
Gdfnmogo Aluminium Alloy For Bike Seatpost Reducer Sleeve Adapter – 27.2 mm to 28.6 mm Seat Tube Diameter Converter for Road & Mountain Bicycles, 60 mm / 10(SHORT)
PACKAGE CONTENTS: Includes seatpost adapter sleeve (tube reducer) to a 2mm seat post to a 28
£ 4.19
To the offer
Pumixiy 27.2-30.8, Seatpost Reducer Sleeve for Bicycle Seat Tube Adapter, Aluminum Alloy For Bike Seatpost Shim Spacer, 22.2 to 34.9mm Diameter Conversion (Black, 60mm)
Compatibility:The For MTB For Bicycle For Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is designed to fit seat tubes with hole diameters of 2mm, 25
£ 4.54
To the offer
Pumixiy 27.2-30.4, Seatpost Reducer Sleeve for Bicycle Seat Tube Adapter, Aluminum Alloy For Bike Seatpost Shim Spacer, 22.2 to 34.9mm Diameter Conversion (Black, 60mm)
Compatibility:The For MTB For Bicycle For Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is designed to fit seat tubes with hole diameters of 2mm, 25
£ 4.35
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Pumixiy 22.2-25.4, Seatpost Reducer Sleeve for Bicycle Seat Tube Adapter, Aluminum Alloy For Bike Seatpost Shim Spacer, 22.2 to 34.9mm Diameter Conversion (Black, 60mm)
Compatibility:The For MTB For Bicycle For Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is designed to fit seat tubes with hole diameters of 2mm, 25
£ 4.33
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Pumixiy 27.2-30.4, Aluminum Alloy Seatpost Clamp Reducer Sleeve for Bicycle Seat Tube 34.9mm to 30.9mm, For CNC Machined & Anodized, Compatible with Mountain and Road Bikes
Aluminum Alloy Construction:Crafted from aluminum alloy material, this For MTB For Bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 4.30
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Pumixiy 25.4-27.2, Seatpost Reducer Sleeve for Bicycle Seat Tube Adapter, Aluminum Alloy For Bike Seatpost Shim Spacer, 22.2 to 34.9mm Diameter Conversion (Black, 60mm)
Compatibility:The For MTB For Bicycle For Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is designed to fit seat tubes with hole diameters of 2mm, 25
£ 4.28
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Pumixiy 27.2-31.6, Aluminum Alloy Seatpost Clamp Reducer Sleeve for Bicycle Seat Tube 34.9mm to 30.9mm, For CNC Machined & Anodized, Compatible with Mountain and Road Bikes
Aluminum Alloy Construction:Crafted from aluminum alloy material, this For MTB For Bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 4.24
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Pumixiy 27.2-28.6, Seatpost Reducer Sleeve for Bicycle Seat Tube Adapter, Aluminum Alloy For Bike Seatpost Shim Spacer, 22.2 to 34.9mm Diameter Conversion (Black, 60mm)
Compatibility:The For MTB For Bicycle For Bike Seat Post Shim Tube Sleeve Reducer Seatpost Converter Adapter is designed to fit seat tubes with hole diameters of 2mm, 25
£ 4.21
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Zilimontt Aluminum Alloy Seat Post Shim Tube Sleeve Reducer for Seatposts – Compatible with 22.2 mm to 36 mm Seat Tube Diameters (e.g., 25.4→27.2, 27.2→31.6, 31.6→33.9 mm)(27.2-30.4)
SEAT TUBE REDUCER SLEEVE: Solves mismatch between frame seat tube and seatpost diameter—fits 22.2/25.4/27.2/31.6/33.9mm tubes with aluminum alloy construction
£ 4.38
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Pumixiy 27.2-28.6, Aluminum Alloy Seatpost Clamp Reducer Sleeve for Bicycle Seat Tube 34.9mm to 30.9mm, For CNC Machined & Anodized, Compatible with Mountain and Road Bikes
Aluminum Alloy Construction:Crafted from aluminum alloy material, this For MTB For Bike reducer adapter is lightweight yet long-lasting, it can withstand extended use without compromising performance
£ 4.10
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Pumixiy 27.2-28.6, Aluminum Alloy For Bicycle Seat Post Reducer Adapter for Mountain Bikes, Road Bikes - For CNC Machined Anodized Sleeve 22.2 to 36mm Compatible with Multi-Size Seat Tubes
Durable and Lightweight:Made of aluminum alloy material, this seat post tube shim is lightweight yet durable, long-lasting use
£ 4.41
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Niceminiwall Aluminum Alloy Seatpost Reducer Sleeve for Seat Tube – For CNC Machined, Anodized, Lightweight Adapter (22.2–36 mm Diameter Compatibility) –(30.9-33.9)
ALUMINUM ALLOY CONSTRUCTION: Crafted from lightweight aluminum alloy, this reducer adapter is built to last, reliable performance for all your biking adventures
£ 4.28
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Pumixiy 25.4-27.2, Aluminum Alloy For Bicycle Seat Post Reducer Adapter for Mountain Bikes, Road Bikes - For CNC Machined Anodized Sleeve 22.2 to 36mm Compatible with Multi-Size Seat Tubes
Durable and Lightweight:Made of aluminum alloy material, this seat post tube shim is lightweight yet durable, long-lasting use
£ 4.31
To the offer
Pumixiy 25.4-28.6, Aluminum Alloy For Bicycle Seat Post Reducer Adapter for Mountain Bikes, Road Bikes - For CNC Machined Anodized Sleeve 22.2 to 36mm Compatible with Multi-Size Seat Tubes
Durable and Lightweight:Made of aluminum alloy material, this seat post tube shim is lightweight yet durable, long-lasting use
£ 4.28
To the offer
Niceminiwall Aluminum Alloy Seatpost Reducer Sleeve for Seat Tube – For CNC Machined, Anodized, Lightweight Adapter (22.2–36 mm Diameter Compatibility) –(33.9-34.9)
ALUMINUM ALLOY CONSTRUCTION: Crafted from lightweight aluminum alloy, this reducer adapter is built to last, reliable performance for all your biking adventures
£ 4.08
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Besttoolifes 30.9-33.9MM, Aluminum Seatpost Reducer Sleeve for Bicycle Seat Tube – 6061 Alloy, 100 mm Length, Diameter Reduction from 22.2–36 mm (e.g., 25.4 to 28.6 mm, 27.2 to 31.6 mm)
Durable and Practical: Made of 6061 aluminum alloy, this seat tube reducer is durable and long-lasting
£ 4.82
To the offer
Pumixiy 22.2-25.4, Aluminum Alloy For Bicycle Seat Post Reducer Adapter for Mountain Bikes, Road Bikes - For CNC Machined Anodized Sleeve 22.2 to 36mm Compatible with Multi-Size Seat Tubes
Durable and Lightweight:Made of aluminum alloy material, this seat post tube shim is lightweight yet durable, long-lasting use
£ 4.17
To the offer
Besttoolifes 30.9-31.6MM, Aluminum Seatpost Reducer Sleeve for Bicycle Seat Tube – 6061 Alloy, 100 mm Length, Diameter Reduction from 22.2–36 mm (e.g., 25.4 to 28.6 mm, 27.2 to 31.6 mm)
Durable and Practical: Made of 6061 aluminum alloy, this seat tube reducer is durable and long-lasting
£ 4.72
To the offer
We have found a total of 229 Seat Reducer deals for you at amazon, Pushchair Expert, ebay, and other shops. The most popular brands are: sourcing map, Pumixiy, and cyclingcolors. Today's offer is cyclingcolors Bike Shim Reducer : 22.2MM > 25.4MM 25.4MM > 28.6MM 24MM > 25MM 1" 1 1/8" SEATPOST STEM Ahead Tube Adapter Bicycle with 48% discount. The lowest price we found in our deals is £ 3.07 . The highest price in our price comparison is £ 46.49 . Currently, we have selected 5 reliable shops for you to buy Seat Reducer affordably.