Sealed oversized cartridge bearings Team features CNC'd Alloy cups Compatible with TruVativ cranksets that use the Howitzer BB Truvativ does not list spindle lengths for Howitzer BBs; 51mm chainline is used where you would use a 113mm ISIS spindle, 56mm chainline is used where you would use a 118mm ISIS spindle BULK is new condition but does not include crank bolts