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.
Compatible with 30mm Spindle Cranksets
Bottom Bracket - T47
Inner Diameter - 47 mm
Shell Width - 68 mm (Road) 73mm (MTB)
R = Road ceramic bearing (black seal) for least friction resistance
Mfr Claimed Weight