The
USE shim system allows you to fit a post into virtually any frame size. Our
shims are made to 100mm length and are longer than other shims on the market.
This gives your seat post much better support inside the frame. All shims are
designed with a "top lip" to stop shim sliding into the frame.
From
left to right:
Rolled Aluminum shim - the very thinnest
shims are rolled from sheet metal. 25.4mm shims need to be so thin as they are
etched down in acid to the correct tolerance and are too thin to anodise (show
as silver).
Machined Aluminum shim - machined to very
high tolerances from 6082 T6 Aluminum and then black anodised to protect from
corrosion.
Machined Plastic shim - larger size shims are
machined to very high tolerances from "filled" engineering thermoplastic UPVC.
This keeps the weight down, as the shims get thicker.