4xBike Seatpost Adapter Shim Bicycle Seat Post Tube Adapter for Fixed Gear BMX

Description:

【High Quality】: The bike seatpost shim is made of aluminum alloy, durable, high strength, CNC precision machining with smooth edges and lines.
【Product Size】: 31.6mm to 33.9mm specification conversions can solve the problem of the inappropriate size of your frame and seat tube.
【Easy to Use】: To change your seat post size easily with this bushing without changing Seatpost, lightweight and solid enough.
【Easy to Install】: No other tools are needed, just a few seconds to install, providing convenience for your use.
【Widely Used】: Bicycle seat post tube adapter is suitable for city bikes, mountain bikes, road bikes, BMX, folding bikes, fixed gear, etc.

Specification:

Material: Aluminum Alloy
Size: 33.9mmx60mm/1.33inchx2.36inch

Package Includes:(4 Pack)

1 Bike Seatpost Adapter