BIKONE PF46 Internal Ceramic bottom bracket for BB30 cranks is designed to power every kilometer you ride. It is engineered for cyclist who demand the best in performance and durability, wheter you are teckling tough mountain trails or cruising on roads. Thanks to our Dual Cup Technology (DC Tech) and our top quality ceramic bearings, you will experience the smoothest of rides.

See the assembly instructions and spacer list here

For a correct compatibility, mountain cranks should be always mount on mountain frames and road cranks on road frames.