The BBT-22 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 ensures maximum engagement with the bottom bracket cup. It can be used with a 3/8-inch drive torque wrench, a 3/8-inch ratchet driver, a 32mm wrench, the Park FRW-1 Freewheel Remover Wrench (sold separately), or a 1-inch wrench.