The Park Tool BBT-22 Bottom Bracket Tool is a shop quality tool for installing and removing Shimano® and ISIS Drive™ splined 20-tooth bottom bracket cups. Made from investment cast steel, the BBT-22 utilizes a flat tooth profile to ensure maximum engagement with the bottom bracket cup. Can be used with a 3/8 drive torque wrench, 3/8 ratchet driver, 32mm wrench, FRW-1 Freewheel Remover Wrench, or 1 wrench. Park Tool BBT-22 Bottom Bracket Tool Features  The BBT-22 replaced the BBT-2, and will fit all bottom brackets serviced by the BBT-2. The twenty tooth pattern is used on a wide variety of bottom brackets, including models from Shimano®, Truvativ®, Race Face®, FSA®, and others. The tool clears the oversized spindles of ISIS Drive™ and Octalink®.