This improved, quieter transmission is an upgrade from the transmissions outfitted on the Fit Bikes sold before 6/1/2011.
25.4mm Handlebar Shim Kit The Purely Custom Sizing Stem comes with a 31.8mm handlebar clamp. We offer this shim to change the clamp size to a 25.4mm. This shim comes anodized blue to make it easy to find and so everbody in the shop knows it is to stay in the fitting area. It is also engraved with the shim