The new BBT-19 is a heavy duty, shop quality tool for installing and removing 16-notch external bearing bottom bracket cups: Shimano® Hollow Tech II, Truvativ® GXP, Race Face® X-type, SRAM® Force and Rival, FSA® Mega Exo, Campagnolo® Ultra Torque. 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.