Completely re-engineered using insights gleaned from more than 100,000 original Hydra hubs in the field, Hydra 2 features a newly designed 65% thicker axle, larger 6903 bearings with new labyrinth seals, and enlarged pawl pockets that ensure bombproof durability under the most demanding conditions.6 Pawl Hydra 2 Freehub Body provides a groundbreaking 870 P.O.E. Hydra 2 Freehub body engages every .41 degrees yielding telepathic control. Refined drive ring and increased tooth counts on each pawl provide increased relability and engagement with less drag. Designed specifically for trail, enduro, and downhill riders with the strength to handle full-power ebikes. Scalloped flanges on Hydra2 j-bend hubs increase overall strength, and remove excess material for a lighter, stronger hubshell.
eBay