Problem Solvers 3.7mm Shim, 27.2mm Seatpost to 30.9mm fits STAYSTRONG frames

Problem Solvers Seatpost Shims, 3.7mm Shim, 27.2mm Seatpost to 30.9mm

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.

• Length is 97mm with a 3mm lip totaling 100mm