CeramicSpeed BSA Bottom Bracket (Black) (68/73mm) (30mm Spindle) (Ceramic Bearings)
CeramicSpeed BSA Bottom Bracket (Black) (68/73mm) (30mm Spindle) (Ceramic Bearings), The CeramicSpeed BSA30 Threaded Bottom Bracket 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: BSA (English Threaded) Spindle Interface: 30mm Bottom Bracket Shell ID: 1.37 Shell Width: 68mm, 73mm Material: Ceramic Bearings Color: Black Weight: -