BKC-54115 - XD15 Ceramic-Hybrid, ABEC-5 Bottom Bracket Bearing Kit for Shimano 24mm cranksets and BB86/92 cups TH-873 Professional quality

Professional quality

and high resistance to moisture

but more often is used as a pivot bearing

BKC-0850 - TorqTite

BKCJ-0205 - 11 tooth

BKC-54115 - XD15 Ceramic-Hybrid, ABEC-5 Bottom Bracket Bearing Kit for Shimano 24mm cranksets and BB86/92 cups TH-873 Professional qualityBKC 54115 XD15 Ceramic Hybrid, ABEC 5 Bottom Bracket Bearing Kit for Shimano 24mm cranksets and BB86 92 cups 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