Fulcrum Racing XDR Freehub Body Description: The Fulcrum Racing XDR Freehub Body repairs or swaps freehub bodies found on select Fulcrum rear wheels, including Racing and Wind 40C rear disc brake road hubs. Features: Replacement freehub body for disc brake versions of Fulcrum Racing series wheels and other select wheels SRAM XDR cassette compatibility for 12-speed road cassettes Alloy freehub material furnishes an ideal balance of strength and weight Includes endcaps and cassette spacer Specifications: Freehub Color: Silver Material: Alloy Cassette Compatibility: SRAM XDR