Convert or replace your Industry Nine Hydra mountain freehub body with the Industry Nine Hydra Freehub Shimano Micro Spline (MS) complete kit which has everything you need to swap the freehub.
Convert or replace your existing Industry Nine Hydra mountain freehub body with the Industry Nine Hydra Freehub Sram XD complete kit which has everything you need to swap the freehub and get riding.
