Problem Solvers

5.0mm Shim, 25.4 Seatpost to 30.4

The Problem Solver Seatpost Shim is a lifesaver if you need to match a seatpost to a bike where it won't quite fit. Precision machined out of high- grade aluminum, this 5.0mm wide shim is designed to match a 25.4mm seatpost to a 30.4 seat-tube inner diameter.