Bottom Bracket - BlackBearing - BSA - M30 - 68/73mm - B5 bearing

Key FeaturesBSA threaded bottom bracket for 68/73 mm framesCompatible with 30 mm cranksetsAllows use of 30 mm spindles on BSA framesB5 bearings for durability and reliabilityThreaded system for stable and noise-free installation DescriptionThe Black Bearing BB-BB-BSA-68/73-30-B5 bottom bracket is designed for BSA threaded frames (68 or 73 mm width) and is compatible with 30 mm cranksets.It allows installation of oversized spindle cranksets on traditional threaded frames while maintaining stiffness and smooth performance. SpecificationsType: threaded bottom bracketStandard: BSA (1.37” x 24 TPI)Frame width: 68 / 73 mmCrank compatibility: 30 mmBearings: B5 (steel)Mounting: threaded external cupsUse: road, gravel, MTB CompatibilityCompatible with BSA 68 / 73 mm framesCompatible with 30 mm cranksets (BB30, 386EVO, CINCH)Not compatible with 24 mm or GXP without adaptersNot compatible with DUB without specific version