This bottom bracket will fit any Verve InfoCrank or Praxis crankset with M30 spindle on a T47 frame with 68mm wide bottom bracket shell. M30 spindles are 30mm diameter, but taper to 28mm at the non-drive bearing.
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.