BKC-54121 - XD15 Ceramic-Hybrid, ABEC-5 Bottom Bracket Bearing Kit for 30mm cranksets with BB30 framesets Weight - 25

Weight - 25

but if yours doesn't

This size bearing is generally used as a hub bearing for some front hub designs

Enduro Angular Contact (A/C) bearings engage all of the bearing's balls to spread the force over a larger surface area

BKC-54121 - XD15 Ceramic-Hybrid, ABEC-5 Bottom Bracket Bearing Kit for 30mm cranksets with BB30 framesets Weight - 25BKC 54121 XD15 Ceramic Hybrid, ABEC 5 Bottom Bracket Bearing Kit for 30mm cranksets with BB30 framesets Enduro's top of the line BB bearing kit, we couple our XD15 Ceramic Hybrid, ABEC 5 bearings along with all of the necessary seals and spacers to complete a precise, professional installation. An Enduro Bearings exclusive, our XD15 Ceramic Hybrid bearings combine corrosion proof, cryogenically treated nitrogen steel races with Silicon Nitride Grade 5