CeramicSpeed bottom brackets guarantee you the lowest possible friction, optimised power transfer and maximum durability and also help you save watts and reach the finish line faster.
Specifications:
Application: Road, Triathlon & Time Trial
Type: BB30
Shell Diameter: 42 mm
Shell Width: 68 mm
Axle Diameter: 24 mm (Hollowtech II)
Compatibility:
- Shimano Hollowtech II cranks
- FSA cranks with a 24 mm axle
- Rotor cranks with a 24 mm axle
Features:
- high-performance bearings with special ceramic balls made of 3rd degree silicon nitride (best achievable degree for ceramic bearings)
- ball bearing retainer made of reinforced polyamide, race made of hardened steel with polished channel
- CeramicSpeed bearing balls: 15 % harder, 100 % smoother and 99 % more resilient than commercially available ceramic balls
- reduced friction: smoother running, more performance
- handmade in Denmark