

Alloy reduction sleeve for 27,2mm seat-tube non-slotted
90mm long
Columbus' aluminum reduction sleeve for reducing the inner diameter (30.7) of a 31.7 seat tube to 27.2.
This shim is a NON-slotted press fit shim and is intended to be bonded into place and slotted at the same time as the frame. 90mm long.
37g - Weight is based on a representative shim. Actual weight may vary slightly.