The Problem Solvers Seatpost Shim is what you need when your seatpost is a little too small-diameter to fit tightly into your frame. It's made of light, durable aluminum and has a lip on the top so it won't slide down inside the frame during installation.
|Option||Barcode||Manufacturer's Part Number||Store SKU|
|3.7mm shim, 27.2 seatpost to 30.9 frame||708752012851||ST0237||PSP00029021|
|1.0mm shim, 25.4 seatpost to 26.4 frame||708752024342||ST0510||PSP00029003|
|1.8mm shim, 25.4 seatpost to 27.2 frame||708752024380||ST0518||PSP00029007|
|0.6mm shim, 25.4 seatpost to 26.0 frame||708752029903||ST0506||PSP00029001|