Specifically designed for installing SRAM DUB Compatible cranks in Cannondale PF30A (46mm ID, 73mm wide asymmetrical BB shell) framesThe two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenanceIncludes BB with ABEC3 bearings, 2 silicone dust seals, 5 variously sized crank spacers73mmPF30ASram DUBAlloy158gBlackUPC/EAN/GTIN: 811079025630