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