Industry Nine Hydra 2 Classic Rear Hub – 12 x 148mm 6-Bolt Micro Spline Silver 32H. 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 reliability and engagement with less drag
• Designed specifically for trail, enduro, and downhill riders, with the strength to handle full-power e-bikes
• Scalloped flanges on Hydra 2 j-bend hubs increase overall strength and remove excess material for a lighter, stronger hubshell
• Revised axle design is 65% thicker, with an improved stress washer design
• Larger 5.5mm pawl pockets that evenly distribute force 26% better, preventing deformation of the pockets over years of use
• Full-contact radial lip seals paired with proximity dust shields keep grit and grime out and lubrication in
• Durable 6903 bearings are used throughout for smooth, long-lasting performance

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