DT Swiss Ratchet EXP XDR Freehub Body Description: The DT Swiss Ratchet EXP XDR freehub body has a clean, matte black finish. This DT Swiss-compatible driver body comes with steel bearings and includes an end cap in the packaging. Features: The XDR interface is designed for road applications and measures 1.85mm longer than XD drivers XDR drivers are compatible with all XD cassettes with the use of a 1.85mm spacer XDR-compatible hubs fit the spacing and geometry of 11-Speed road driver bodies Specifications: Rear Hub Spacing: 142mm Material: Aluminum Cassette Body Type: SRAM XDR, SRAM XD 11/12 Speed Rear Axle Type: 12mm Thru Axle