Bottom Bracket - BlackBearing - PF30 - M30 - 46 - 68/73mm - B5 bearing

Key FeaturesPF30 bottom bracket for 46 mm frame diameterCompatible with 30 mm cranksetsB5 bearings for durability and reliabilityCup-based design for improved protection and longevitySuitable for MTB, road and cyclocross DescriptionThe Black Bearing BB-BB-46-68/73-30-B5 bottom bracket is designed for PF30 frames (46 mm inner diameter and 68–73 mm width) and is compatible with 30 mm cranksets.The system uses press-fit cups that house the bearings, improving durability and protection compared to direct-fit systems. B5 bearings ensure smooth rotation and long-lasting performance. SpecificationsType: PF30 bottom bracketStandard: PF30 (46 mm ID)Frame width: 68–73 mmCrank compatibility: 30 mmBearings: B5 (steel)Mounting: press-fit with cupsUse: MTB, road, gravel, cyclocross CompatibilityCompatible with PF30 frames (46 mm)Compatible with 30 mm cranksetsNot compatible with 24 mm, GXP or DUB systems