- A split aluminium shim that fits over a 25.4 mm (1 inch) steerer tube changing the outer dimension to 28.6 mm (1-1/8 inch)
- Allows the use of a stem designed to fit 1-1/8 inch steerer tubes where greater choice is available
- Black anodised finish with laser etched detail
- Product TypeHeadsets
- ColourBlack
- Size1 inch