Industry Nine Hydra 2 Classic Rear Hub - 12 x 157mm 6-Bolt XD Black 28H. Completely re-engineered using insights gleaned from more than 100000 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
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
TECH SPECS
Rear Axle 12mm Thru x 157mmCassette Body Type SRAM XDColor BlackSkewer Included NoBearing Type Sealed CartridgeWeight 292Designed for ebike YesDefined Color BlackSpoke Interface J-BendHub Drilling 28Hub/Brake Compatibility 6-Bolt Disc
QUALITY SERVICE
Just real riders who strive to provide the best customer service.
FREE SHIPPING
Most orders over $75 ship free anywhere within the lower 48 United States
RETURNS
Not happy with your order, just send it back to us for a refund or exchange.
Our Race Team Sponsors
Also Supported By
Our Race Team Sponsors
Also Supported By
Race Team
Racing is a huge part of the culture at Lenny’s Bike Shop, and the Lenny’s Race Team represents the shop on trails and racecourses throughout the region. Made up of passionate riders who love pushing their limits, the team competes in gravity and mountain bike events while proudly representing the Lenny’s community.
Why Shop with Lenny's?
At Lenny’s Bike Shop, cycling isn’t just a business — it’s a passion. As a locally owned, full-service bike shop, Lenny’s is dedicated to helping riders of every level enjoy the sport with the right bikes, gear, and expert support.
From high-quality bicycles and components to trusted service and advice, the team focuses on delivering products and support that help you ride more and ride better.
Whether you’re upgrading your bike, tuning up your ride, or just getting started, you’ll find knowledgeable staff, great brands, and a commitment to keeping the cycling community rolling.