Hydra 2 Classic Front Hub

Sierra Bicycle Supply Verified independent store

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Completely 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 wit h new labyrinth seals that ensure bombproof durability under the most demanding conditions. 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 Revised axle design is 65% thicker with an improved stress washer design 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 Show more