Bottom Bracket - BlackBearing - M30 - 42 - 68/73mm - B5 bearing

Key FeaturesBB30 bottom bracket for 42 mm frame diameterCompatible with 30 mm cranksetsB5 bearings for durability and reliabilityDirect-fit system for maximum stiffnessSuitable for MTB, road and cyclocross DescriptionThe Black Bearing BB-BB-42-68/73-30-B5 bottom bracket is designed for BB30 frames (42 mm inner diameter and 68–73 mm width) and is compatible with 30 mm cranksets.This system uses direct-fit bearings pressed into the frame, providing increased stiffness, reduced weight and efficient power transfer. B5 bearings ensure durability and smooth rotation. SpecificationsType: BB30 bottom bracketStandard: BB30 (42 mm ID)Frame width: 68–73 mmCrank compatibility: 30 mmBearings: B5 (high-quality steel)Mounting: direct press-fitUse: MTB, road, cyclocross CompatibilityCompatible with BB30 frames (42 mm)Compatible with 30 mm cranksetsNot compatible with 24 mm, GXP or DUB systems