SRAM - 900 Rear Hub - QR x 135mm/12 x 142mm, 6-Bolt, XDR, Black, 28H

900 Rear Hub Features Sealed cartridge bearings Angled flanges provide optimum spoke geometry Axle end caps for alternate frame specs are included (except for Boost hubs) and can be swapped without tools Durable Double Time four pawl mechanism offers quick engagement 1.8 mm spacer is included for use with XD cassettes Specifications Hub Drilling: 28 Skewer Included: Yes Bearing Type: Sealed Cartridge Rear Axle: QR x 135mm , 12mm Thru x 142mm Center to Flange, Right: 20.5 Hub/Brake Compatibility: 6-Bolt Disc Color: Black Cassette Body Type: SRAM XD 11/12 Speed , SRAM XDR Spoke Interface: J-Bend Center to Flange, Left: 34.25 Flange Diameter, Right: 60 Flange Diameter, Left: 58 Weight: 275 Manufacturer Part Number: 00.2018.013.006