GANOPPER Seatpost Shim 34.9 to 30.9 mm Bushing Bicycle Seat Post Adapter Tube Sleeve Adapter for Birdy 34.9mm Dropper Seatpost MTB Folding Bike

GANOPPER Seatpost Shim 34.9 to 30.9 mm Bushing Bicycle Seat Post Adapter Tube Sleeve Adapter for Birdy 34.9mm Dropper Seatpost MTB Folding Bike

• Feature:Use this seatpost adapter, 30.9 mm Seat Post can be converted to 34.9 seatpost,seatpost shim can help you change the bicycle seat tube outer diameter to meet your needs
• Material: 34.9 Seatpost shim is made of high quality 6061 aluminum alloy, CNC machining CD texture surface ,anti-rust and durable
• Size: 34.9 to 30.9 seatpost shim. Length: 100mm.
• Tips: Please check your bike frame seat tube outside diameter. Measure the inside diameter of your old clamp. Or measure the outside diameter of your seat tube (on your bike frame). Then make a right choice. - - -Because of hollow design，In the process of transportation are squeezed may be out of shape，Please kindly exchange one
• Application: seatpost reducing sleeve shim matches well with most bicycles, such as MTB ,BMX ,Fixed Gear bike,mountain bike, road bike, city bike and more, you can easily adjust the diameter of the bicycle seat post, eliminating the trouble of repurchasing the bike seatpost.