- Brake holder features M5, M6 & passthrough holes for attaching all disc brake mounting styles as well as most rim brake caliper styles
- 1-1/8'' steerer tube features star nut for retaining top cap and spacers
- 2'' flared cone for compatibility with tapered steerer tubes
- Compatible with 1-1/8'' threadless stems only - not compatible with threaded headset/quill stem setups
