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 and 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|
|2.8mm shim, 27.2 seatpost to 30.0 frame||00708752011502||ST0228||28M243818530|
|3.2mm shim, 27.2 seatpost to 30.4 frame||00708752011526||ST0232||32M243521284|