USE Seat Post Shim, 31.6mm Inner Diameter x 34.9mm Outer Diameter
Price 11.29 USD
Machined Plastic shim - larger size shims are machined to very high tolerances; Weight 45g * Made from "filled" engineering thermoplastic UPVC; This keeps the weight down, as the shims get thicker * Shim design characteristics may affect weight; Weights are accurate to the nearest gram * All shims are designed with a "top lip" to stop shim sliding into the frame