Aluminum alloy handlebar shim, make the handlebar lock more firmly, longer life than plastic material, and safer. Handlebar Shim 1. Installation is simple and quick, directly buckled in the handlebar installation position, you can change the 25.4 round tube to 31.8.
This product would be ideal for cyclists upgrading their handlebars, requiring precise adjustment from 25.4mm to 31.8mm.
