The new BBT-19 is a heavy duty, shop quality tool for installing and removing Shimano, Truvativ, Race Face, FSA and Campagnolo 16-notch external bearing bottom bracket cups. Made from investment cast steel, the BBT-19 can be used with either a 3-8 drive torque wrench, 3-8 ratchet driver, FRW-1 Freewheel Remover Wrench, or 1 wrench