CeramicSpeed BB30 External Bottom Bracket (Black) (68/73mm) (24mm Spindle) (Ceramic Bearings)

A bottom bracket that offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Features: Grade 3 Silicon Nitride balls Hardened races Reinforced polyamide cage and non-contact seals Hand built in Denmark Specifications: Frame Interface: BB30 Spindle Interface: 24mm (Shimano Hollowtech II, FSA MegaExo, Surly OD, FSA MegaExo Light, RaceFace EXI) Bottom Bracket Shell ID: PF42 Shell Width: 68mm, 73mm Bearings: Ceramic Color: Black Weight: 114g