Industry Nine Freehub bodies are machined in North Carolina and contain all necessary pawls, springs and bearings for servicing or converting their hubs. FEATURES: Kits include freehub, bearings, inner spacer, pawls, and springs Convert or replace your existing Hydra mountain freehub body with this complete XD1 11/12 spd kit. Includes everything you need to swap the freehub and get riding SPECS: Cassette Body Type: SRAM XD 11/12 Speed