Shimano M529 29er Rear Hub for 6-bolt Disc is a tough & light weight 29er specific 9-speed hub offering super smooth rolling in all environments. The Freehub body is specifically designed for high-torque, low gear ratio applications for example when using 36T sprocket with a 22T chainring. The hub uses angular contact bearings designed to cradle the balls giving both radial & lateral support for superior strength & durability in real world riding conditions. They also offer precision bearing adjustment & easy maintenance. Cone races are ground with Cubic Boron Nitride tool for high precision, durability & smooth rolling. The forged then anodized alloy hub shell provides maximum strength & long lasting good looks. Featuring a micro ratchet Freehub body design for quick pawl engagement every 11.25 degrees providing quick power transfer. Offering a 6-bolt disc rotor mount & double contact seals with internal grease sleeve to keep the elements out & the grease in. Comes complete with quick release skewer.