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.
|1.4mm shim, 27.2 seatpost to 28.6 frame||708752009882||ST0214||96547|
|2.0mm shim, 27.2 seatpost to 29.2 frame||708752009899||ST0220||007059|
|3.2mm shim, 27.2 seatpost to 30.4 frame||708752011526||ST0232||007004|
|4.4mm shim, 27.2 seatpost to 31.6 frame||708752012875||ST0244||006971|
|0.7mm shim, 30.9 seatpost to 31.6 frame||708752077386||ST0250||008337|
|1.6mm shim, 25.4 seatpost to 27.0 frame||708752024373||ST0516||88869|