BKC-0881 - TorqTite, Ceramic-Hybrid, XD15, Angular Contact, Bearing Bottom Bracket for BB30 Framesets and Shimano 24mm Cranksets TH-873 our XD15 Ceramic-Hybrid bearings combine

our XD15 Ceramic-Hybrid bearings combine corrosion-proof

The deep-groove design raceways allow for maximum sized Grade 5 Silicon Nitride ceramic balls for for increased contact area and improved performance and longevity

Bottom Bracket Bearing - 30mm x 12mm x 7mm -

Radial Bearing (CN clearance) - 17mm x 28mm x 7mm -

BKC-0881 - TorqTite, Ceramic-Hybrid, XD15, Angular Contact, Bearing Bottom Bracket for BB30 Framesets and Shimano 24mm Cranksets TH-873 our XD15 Ceramic-Hybrid bearings combineBKC 0881 TorqTite, Ceramic Hybrid, XD15, Angular Contact, Bearing Bottom Bracket for BB30 Framesets and Shimano 24mm Cranksets Enduro Bearings' exclusive ceramic bearings with XD15 nitrogen steel races have been the ultimate longevity and low friction story in the cycling industry for over 12 years. This extra tough, stainless material will not corrode or rust as most other ceramic hybrids on the market will. While every other ceramic bearing rolls