XDR Freehub Body - D21 TLR Disc Brake - Disc Rear Wheel Wheel Spare Parts the Pro One TT runs

the Pro One TT runs without a puncture guard

6061 T6 cold forged aluminum construction

10 Speed Cassette spacer – (as these wheels are designed for SRAM

Steerer Tube Diameter:  22

Injection Composite Cage Mounts to any standard bottle cage bosses

XDR Freehub Body - D21 TLR Disc Brake - Disc Rear Wheel Wheel Spare Parts the Pro One TT runsOverview The XDR driver body is a universal mounting system for cassettes that incorporate cogs with fewer than 11 teeth. It allows for lighter and more versatile drivetrains without requiring new rear axle standards, cassette tools or hub redesigns. XDR 12 spd Freehub body for a D21 TLR Disc Brake Disc Rear Wheel (12spd). Tech Specs Wheelset Compatible: D21 TLR Disc Brake Disc Rear Wheel Part Number: 860247 Manual D21 TLR Disc Brake Disc Rear Wheel