Park Tools' BBT-19 is a heavy duty, workshop quality tool for installing & removing 16-notch, external bearing bottom brackets, including Shimano, Race Face, FSA, Campagnolo & Truvativ. The cast steel BBT-19 is a versatile option, as it can be used with either the proper, purpose built tools like the FRW-1 Freewheel Remover Wrench, or any 3/8 inch drive socket or torque wrench, or even a 1 inch spanner.