Bike SeatPost Adapter Shim, NIUAWASA Aluminum Alloy Bicycle Reducing Sleeve Seat Post Tube Adapter Shim 25.4/27.2/28.6/30.4/30.8/31.6/33.9/34.9mm for MTB,Mountain,City Bike,Road Bike (25.4 to 28.6mm)








Key features
- •HIGH QUALITY: Made of high-quality aluminum alloy, high strength and light weight; anodizing process, not easy to rust, not easy to paint off; CNC cutting, neat cutting, smooth lines.
- •DIFFERENT SIZE: 22.2 to 25.4, 25.4 to 27.2, 25.4 to 28.6, 27.2 to 28.6, 27.2 to 30.4, 27.2 to 30.8, 27.2 to 31.6, 27.2 to 33.9, 31.6 to 33.9, 33.9 to 34.9.A variety of specification conversions can solve the problem of inappropriate size of your frame and seat tube.
- •BIKE SUITABLE: Fit for Mountain Bike, Hybrid bike, Old School, Cruiser, Cyclocross Bike, Dirt Jumper, Folding Bike, Road Bike etc. Let you build your own unique bicycle.
- •EASY TO INSTALL: Easy to install and remove, no other tools needed, just a few seconds to install,convenient for you to use. And you can change the size of the bike seat tube as you want.
- •AFTER SERVICE: Any problem can contact with us, and we will try to solve it within 24 hours. We promise money back service.
Bike SeatPost Adapter Shim, NIUAWASA Aluminum Alloy Bicycle Reducing Sleeve Seat Post Tube Adapter Shim 25.4/27.2/28.6/30.4/30.8/31.6/33.9/34.9mm for MTB,Mountain,City Bike,Road Bike (25.4 to 28.6mm)
List Price: $20.16$18.14DEALYou Save: $2.02 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 25, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection







