Problem Solvers 0.7mm Shim 30.9mm Seatpost to 31.6mm

Problem Solvers 0.7mm Shim 30.9mm Seatpost to 31.6mm. Switching frames doesn’t mean you have to switch posts! Use your old posts without worry with the Problem Solvers Seatpost Shims.

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