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Cogster Alloy Bike Seatpost Reducer Shim, 100mm Length Aluminum Bicycle Reducing Sleeve Seat Post Tube Adapter for MTB,Mountain,City Bike,Road Bike, Adapting 30.9mm seatposts to 31.6mm seat Tubes

Photo 1 of Cogster Alloy Bike Seatpost Reducer Shim, 100mm Length Aluminum Bicycle Reducing Sleeve Seat Post Tube Adapter for MTB,Mountain,City Bike,Road Bike, Adapting 30.9mm seatposts to 31.6mm seat Tubes
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Photo 1 of Cogster Alloy Bike Seatpost Reducer Shim, 100mm Length Aluminum Bicycle Reducing Sleeve Seat Post Tube Adapter for MTB,Mountain,City Bike,Road Bike, Adapting 30.9mm seatposts to 31.6mm seat Tubes
2/2

Ends

Sat 3:24 am

CURRENT PRICE

-

Item Details

Pickup Location

3591 John Peter Lee St

North Las Vegas, NV, 89032

Quality

New
Functional
No Damage
No Assembly Needed
In Package
No Missing Parts

Auction closes

July 19, 2025 at 3:24 AM

brand

COGSTER

Estimated Retail Price

$9.99

color

Black

size

30.9 to 31.6mm

Buyers Premium

15%

Inventory Number

1046740716

Features

  • Cogster Bike Seatpost Adapter Shim serves as a crucial part that adapts smaller seatposts to larger tubes, ensuring a proper fit.
  • Comes in various sizes to accommodate different bicycle seatpost diameters and seat tube diameters.
  • CNC'd from 6061 aerospace alloy, this bike seatpost shim balances superior strength, light weight, and corrosion resistance for long-term use.
  • Featuring tool-free installation, this bicycle seat post tube adapter is designed to avoid damage to the bike frame or seatpost, ensuring ease and safety.
  • By enabling the use of a different size seatpost, you can adjust the height or tilt of your saddle more accurately, thus improving your overall cycling comfort and performance.

Online Reviews

4.4/5

Based on 21 ratings

This score is based on 21 recent reviews from online retailers.

Be sure to check our Quality Rating and Notes above for more details on this listing.

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