Bottom Bracket - BlackBearing - M24/GXP - BB30 - 42 - 68/73 - B5 bearing

Key FeaturesBB30 bottom bracket for 42 mm frame diameterCompatible with 24 mm and GXP cranksetsGXP adapter included for extended compatibilityB5 bearings for durability and smooth performanceThreaded cup system for improved alignment DescriptionThe Black Bearing BB-BB-42-68/73-24/GXP-B5 bottom bracket is designed for BB30 frames (42 mm inner diameter and 68–73 mm width). It allows installation of 24 mm cranksets and SRAM GXP systems thanks to the included adapter.The threaded aluminum cups improve alignment, reduce noise and enhance bearing lifespan. B5 bearings ensure durability and smooth performance. SpecificationsType: BB30 bottom bracketStandard: BB30 (42 mm ID)Frame width: 68–73 mmCrank compatibility: 24 mm / GXPBearings: B5 (high-quality steel)Adapter: included for GXPConstruction: threaded aluminum cupsUse: MTB, road, cyclocross CompatibilityCompatible with BB30 frames (42 mm)Compatible with Shimano 24 mm cranksetsCompatible with SRAM/Truvativ GXP (with adapter)Not compatible with DUB or direct 30 mm systems