PRAXIS BB/PF30 73 mm crankset

Strictly compatible with Shimano Hollowtech II crank axles, this PRAXIS bottom bracket bottom bracket allows you to mount your crankset on a Shimano MTB standard BB30 or PF30 crankset. Thanks to its patented system, this housing adapts precisely to the frame's dimensions without the risk of cracking. 

The housing is made of 7075-T6 aluminum and features smooth, durable Enduro2437 steel bearings.