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Our most refined system yet.
Designed specifically for trail, enduro, and downhill riders with the strength to handle full-power ebikes, Hydra2 blends precision machining, local manufacturing, and the rider driven ethos you’ve come to expect from Industry Nine.
PRECISION EVOLVED
We listened to your feedback from over 100,000 Hydra hubs ridden worldwide. Through relentless refinement Hydra2 emerges as the most versatile, high performance hub and wheel system available today.
Scalloped flanges on Hydra2 j-bend hubs increase overall strength, and remove excess material for a lighter, stronger hubshell.
With .41 degree engagement and 60% less coasting drag than Hydra, Hydra2 provides intantaneous response and descends faster than ever.
Rider confidence begins with knowing your components can keep up with every challenge. After years of rigorous development and extensive real-world testing, we’re proud to say Hydra2 is engineered to reliably perform in the toughest riding conditions.
65% Thicker Axle
Our new axle design is 65% thicker with an improved stress washer design.
The most refined system yet.
Designed specifically for trail, enduro, and downhill riders with the strength to handle full-power ebikes, Hydra2 blends precision machining, local manufacturing, and the rider driven ethos you’ve come to expect from Industry Nine. • 15 × 110mm Front (boost) and 12× 157mm Rear (super boost) • 6 bolt • Durable 6903 bearings • 870 Points of engagementIndustry Nine Classic hubs are the heart of your wheelset
Every Classic mountain hub is made start to finish in our Asheville, NC machine shop. From turning and milling bar stock 7075-T6 aluminum for shells, axles and encaps, wire EDM cutting A2 tool steel for pawls and driverings, to our own in-house anodization lab, every step of design, engineering, manufacturing and assembly is done on premises to our exacting standards. Hydra Classic mountain hubs are loaded with features every rider will appreciate such as revolutionary 0.52° engagement, generously low weights and an intuitive layout that can be serviced without any proprietary tools.- Spoke holes: 32h
- Rotor attachment: 6 Bolt
- Freehub: MS, HG or XD
- Spacing: 15x110mm & 12x148mm
Summit Cycles Handbuilt Wheelset
- Industry 9 Hydra Hubset/ 32h, 6 bolt, MICROSPLINE / Purple
- DT Swiss EX511 29″ rims
- DT Comp spokes and brass nipples in black
- DT swiss rim tape
Custom Wheelset!
- Industry 9 Hydra Hubs (15x110mm/148x12mm)
- XD Freehub/ 6 Bolt
- We are One Union rims 32h