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 standard BB30 or PF30 bottom bracket. Thanks to its patented system, this crankset adapts precisely to the frame's ribs without the risk of cracking. 

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