This bottom bracket will fit any Rotor crankset with 24mm spindle on a T47 frame with 68mm wide bottom bracket shell. Kogel T47-e24 and T47-eGXP bottom brackets can be installed with any 16 notch, 44mm diameter tool, like Park Tool BBT-9 or similar. This is the most common tool for older Shimano bottom brackets, as well as Campagnolo UT and Sram GXP. 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.