Ritchey WCS Freehub Body (SRAM XD) - 55350007018
Ritchey WCS Freehub Body (SRAM XD) - 55350007018, This is Ritchey XD Driver Freehub Body. Features: Hub service and replacement parts for Ritchey wheel systems Note: XD drivers are only compatible with XD cassettes, not XDR cassettes.