Sun Ringle SRC/SRX XD Freehub Body Kit (Chromoly) - 281-31520-K003
Sun Ringle SRC/SRX XD Freehub Body Kit (Chromoly) - 281-31520-K003, Replacement freehub bodies for Sun Ringle wheels that accommodate a variety of cassette types. Specifications: Cassette Compatibility: Sram XD Note: Sram XD drivers are only compatible with XD cassettes, not XDR cassettes.