The xt m8010 12x142mm rear hub from shimano is a high performance rear freehub for rim or disc brakes the xt series is renowned for offering the best performance to value ratio this hub has a centre lock disc mount for secure braking and hassle free setup the freehub has super quick engagement with pawl engagement every 10 degrees giving an almost instant power transfer the freehub can be used with 8 9 10 or 11 speed cassettes the bearings are double contact sealed with an internal greas