Hydra - 1/1 replacement pawl spring. Sold in packs of 6.
Endcap kits for 15x110mm Boost Industry Nine Hydra combinations.
Endcap kits for all of the Industry Nine Hydra combinations.
Hydra replacement pawl. Sold in packs of 6.
Convert or replace your existing Hydra mountain freehub body with this complete kit. Includes everything you need to swap the freehub and get riding!