Size:32 Hole Color:Black The Deore is a group that consistently continues the "Rider Tuned" principle and is ideally suitable for various types of bikes and riding styles. Whether for cross country or trail, on hardtail, on 29er, 650B or on fullies: The Deore offers all options to meet every requirement. Shimano FH-M615 Deore rear hub with Center Lock disc mount. It also features a lightweight freehub body and improved labyrinth seals. Adjustable angular contact bearings guarantee smooth rolling characteristics and long durability. Inclusive quick release with aluminum lever. Durable smooth rolling sealed Deore 10-speed rear hub with Centre-Lock disc rotor mount. Centre-Lock disc rotor fitting - ideal for Deore hydraulic and mechanical disc brake systems. The hub uses angular contact bearings 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. Low maintenance design includes single contact seals to keep out mud and water. Low-friction Cubic Boron Nitride treatment cone race surfaces for smooth action and long bearing life. For use in 135 mm dropouts including quick release skewer. Internal grease sleeve help maintain and increase service lifeof hub by holding the grease in the bearing housing.