Named after a famous redwood-covered climb in Santa Cruz, California, the Praxis Works Zayante S crankset is designed to offer incredible value and cutting-edge technology with an excellent range of gearing options & lightweight construction.Lightweight carbon crank arms are incredibly stiff for efficient power transferM30 spindle is compatible with BSA, BB86, 386EVO, BB30, PF30, T47, BBRight & OSBB bottom bracket shells BB's sold separately10/11spd LevaTime II chainrings are cold forged for supreme shift quality & durabilityVersatile modular design can accept 2x or 1x DM chainringsLightweight at just 684g (172.5mm w/ 50/34T Chainrings)Where most cranksets can only be fitted with a small selection of chainrings, the Zayante S is designed with versatility in mind. While equipped with 2x chainrings as standard, the direct mount design can easily be swapped out for a 1x chainring or another 2x combination in a different ratio. Praxis wants you to have control. Add in to this compatibili