The Shimano Deore Disc Rear Hub is a good value disc compatible rear hub. It has a standard 6 bolt disc rotor fitting which is ideal for Deore hydraulic and mechanical disc brakes. The contact seals have a low maintenance design which keeps out mud and water. There is a low friction Borozon treatment on bearing surfaces for smooth anction and long bearing life. It has a 32h, anodized hub shell, is compatible with 8 and 9 speed cassettes.