SHIMANO Deore-M525 IS-disc rear Q/R hub, 32h - blk Axle: 10x135mm QRCassette Body Type: Shimano 9/10/SRAMF/R (Model): RearHoles: 32hHub Center to Flange: 31mmHub Color: BlackHub Drilling: 32spokesHub Flange Diameter: 60mmHub/Brake Compatibility: 6-Bolt DiscRear Hub Spacing: 135mmSkewer Included: YesWeight: 512g