Smart bottom bracket from Wheels Manufacturing, making it possible to mount a crankset with 30 mm axle on a frame with a BSA thread in the crank.

Compatible with crankset with a axle length > 104 mm, like BB386Evo, Rotor 3D+, RaceFace Cinch among others

BSA thread: 1,37"x24tpi

​Bearings in ABEC-3 quality.

The bottom bracket can only with Park Tools Bottom bracket tool BBT-29