BNVB Alloy Bike Seatpost Shim, 100mm Length Aluminum Bicycle Reducing Sleeve Seat Post Tube Adapter, Diameter Switch 25.4-27.2mm; 27.2-28.6/30.0/30.4/($9.99Value)

Description

Length: 100mm, Guarantee you seatpost insert safe. Material: Made of high quality 6061 aluminum alloy, CNC machining CD texture surface, Light weight, anti-rust and durable. Easy Install: Easy to install and remove, Convenient for you to Switch Seatpost in need. Suit for MTB bike, mountain bike, road bike etc. Note: Please measure the outside diameter of your seatpost, (or check the size marks on the seatpost). Then measure your bike frame seat tube inside diameter. Then choose right Size. Bike seatpost shim