Problem Solvers Seatpost Shims
Problem Solvers Seatpost Shim
Switching Frames doesn't mean you have to switch posts! Use your old posts without worry with a wide variety of seatpost shims. Available in a large variety of sizes, this product ensures you can keep you seat structure regardless of what changes you make to the frame. Problem Solvers Seatpost Shims are not intended for use with carbon seatposts.