Industry Nine Hydra 2 Boost 6 Bolt Hub - Rear

Industry Nine Hydra 2 Boost 6 Bolt Hub - Rear

Marsoni

M251S

$235.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Industry Nine Hydra 2 Boost 6 Bolt Hub - RearCompletely re engineered using insights gleaned from more than 100,000 original Hydra hubs in the field, Hydra2 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. If that wasnt enough, a refined drive ring and an extra tooth on each pawl enable Hydra2 to deliver lightning fast 0. 41 engagement with less coasting drag

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Great balls for the ball launcher and not rockhard like some of the solid rubber balls. These have great bounce, and because of the two holes, they make a fun whistling noise as they fly through the air. My dogs love them and they are a good value. By the way, if you throw them too hard, they will go through chain-link and no climb fence because they squish a bit!

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Reviewed in the United States on February 16, 2026