<!--ProdInc[300320429]/Mall:[backcountry_US]-->The magic to Industry Nines amazing engagement comes from its mastery of materials, design, and machining of its Hydra Freehub Body. So whether youre are changing component groups and need to convert your existing Hydra mountain freehub body or you just want to keep a spare one on hand so you never miss a ride, now you can. This complete kit includes everything you need to swap the freehub (shell, spacer, bearings, pawls, springs, and seal). Available in Shimano 9-11 speed HG or SRAM 11-12 speed XD. <h3>Details</h3> A freehub to convert or replace your existing Hydra driver body Includes shell, spacer, bearings, pawls, springs, and seal Choose between Shimano HG or SRAM XD Item #NIN1WU1 <h3>Tech Specs</h3> Material : alloy Hub Type : Industry Nine Hydra Recommended Use : cross-country, enduro, trail Manufacturer Warranty : 2 years