CyclingCeramic bottom brackets are combined with low-friction ceramic bearings that are more durable than standard bearings. The high quality finish of the bottom brackets enables them to achieve high performance. They have been designed to be lightweight and, thanks to the design of the seals, offer maximum protection.
Details :
- Compatible with bottom bracket axle 30 mm / frame internal diameter 46 mm / width 68 mm (pressfit mounting)
- Material: Aluminium 7075.
- Lifetime 3 to 5 times longer than conventional bearings.
- Ceramic balls 58% lighter, 121% stronger and 68% harder than steel balls.
- Grade 3 ceramic beads (polished for over 45 days) for virtually no friction.
- Case designed, machined and assembled in France in the CyclingCeramic workshop.
- Weight: 80g
- Box width: 68
- Housing standard: PressFit 30 (PF30)
- Internal can diameter: 46
- Bearing quality: Ceramic
- Bottom bracket axle: 30 mm
- Crankset standard: Shimano Hollowtech II