SRAM 900 Rear Hub 6-Bolt Disc Black 12x148mm Boost XDR 11/12 Speed

Whether the goal is a finish line, epic adventure or simply getting back home again, our new 900 hubs are ready for the challenge. On the inside, our smooth and durable DOUBLE TIME™ drive mechanism ensures rapid engagement for quick and confident pedal responsiveness. SPEEDBALL™ bearings provide smooth, long-lasting rotation performance. Multiple spoke-count and cassette-capability options, as well as interchangeable end caps make the 900 hubs a perfect choice for any disc-equipped road, gravel, cyclocross, cross country, trail, or enduro bike.

• DOUBLE TIME™ mechanism offers smooth, quick and durable engagement
• Versatile driver body can accept ROAD or MTB drivetrain, full spline or XD™ cassettes
• Fully convertible with tool free end caps
• Center to Flange: 20.5mm , 34.25mm
• Flange Diameter: 50mm , 68mm
• Hub Drilling: 32
• Hub/Brake Compatibility: 6-Bolt Disc
• Spoke Interface: J-Bend
• Weight: 295 gram (32 spoke holes)
• Color: Black
• Cassette Body Type: SRAM XD 11/12 Speed , SRAM XDR
• Boost Rear Hub: 12mm Thru x 148mm with SRAM XD 11/12 Speed