C-Bear PF30 Race Bottom Bracket BF New a first-of-its-kind hand-built carbon mountain

a first-of-its-kind hand-built carbon mountain bike rim

While the SES Road Tire has racing in its DNA

With exceptional power transfer

connected feel expected from Shimano’s top-tier road components

Measurement is taken from the inside face of the crank arm to the very end of the spindle

C-Bear PF30 Race Bottom Bracket BF New a first-of-its-kind hand-built carbon mountainSilent. Speed. Performance. To eliminate creaking, all C Bear Bottom Brackets are CNC machined from high grade aluminium for a precision fit in your frame. C Bear will help you avoid unnecessary add ons adapters, shims, rings, clips, spacers, glue. Just press in and voila: no creak, no play, no noise! All bearings are fully ceramic for smooth motion, with the aim of maximizing transfer of pedal power to speed. Compatibility Variants available for