The Rotor BB30TO24 bottom bracket allows Shimano cranks with a 24 mm axle to be mounted on BB30 frames with awidth between 68 and 73 mm and an internal diameter of 42 mm, while enjoying the benefits of ceramic bearings, providing lightness and better efficiency (reduced friction).
Technical specifications:
- Compatible only with BB30 frames
- Frame diameter: 42 mm
- Axle diameter: 24 mm
- Ceramic bearings
- Brand: Rotor