onyx-mtb-rear-hub-12-x-157mm-6-bolt-xd-black-32h
onyx-mtb-rear-hub-12-x-157mm-6-bolt-xd-black-32h, Machined to the tightest tolerances. Onyx hubs use sprag internals for strength, extremely low rolling resistance and infinite points of engagement. All Onyx hubs come standard with ceramic hybrid bearings so there is no need to upgrade.Ceramic hybrid bearings7075 Aluminum Hub ShellAdjustable preloadTitanium boltsExtremely low rolling resistance5 year limited warrantyMade in the USA