This bottom bracket will fit any Sram DUB crankset on a T47 frame with 68mm wide bottom bracket shell. This Kogel Bearings T47 external bottom bracket can be installed with Park Tool BBT-79 or any 12-notch bottom bracket tool fittings with a nominal inner diameter of 44mm. Choose road bearings for road bikes, cross bearings for mountain bike, gravel and cyclocross or if you frequently ride your road bike on wet roads.