The XT M8000 9mm QR Front Hub from Shimano is a performance front hub for use with Disc and rim brakes, using Centre-Lock mounting system. The benefit of the centre-lock disc brake system is that the braking is much more secure and the set-up is hassle free. The hub uses double contact seals with internal grease sleeve to keep the elements out and the grease in, extending service life and maintain smooth operations even in the toughest terrain. The hub runs using angular contact bearings, which are designed to cradle the balls giving both radial and lateral support for superior strength and durability in real world riding conditions, they also offer precision bearing adjustment and easy maintenance. The bearing races are ultra-smooth to provide a long lasting, low friction rolling action. The QR axle is a lightweight alloy for excellent rigidity when used with suspension forks and the quick release lever and adjuster nut are lightweight and easy to adjust. Available in Black only.