Industry Nine Freehub bodies are machined in North Carolina and contain all necessary pawls, springs and bearings for servicing or converting their hubs. - Kits include freehub, bearings, inner spacer, pawls, and springs - Convert or replace your existing Hydra mountain freehub body with this complete HG 9/10/11 spd kit. Includes everything you need to swap the freehub and get riding SPECIFICATIONS - Cassette Body Type: Shimano Dynasys 11 Speed Mountain