Only Fits BB30 frames and SRAM or Truvativ BB30 cranks.Supplied in TruVativ packagingIncludes bearings, seals, spacers and wave washerSpindle and crank bolt not includedAlso fits BBright frames (i.e. Cervelo R5)Item SpecificationsWeight61gBB Thread TypeBB30Spindle Interface TypeBB30BB Shell Width68mm