Industry Nine Hydra2 DH
The ultimate alloy downhill wheelset
Specifications
- Wheel Size
- 27.5" / 29" / MX
- Rim Inner Width
- 31mm
- Weight
- 2100g (estimate)
- Axle
- Front: 20x110mm Boost, Rear: 12x157mm Super Boost
Overview
The Hydra2 DH combines Industry Nine's strongest alloy rim with their signature direct-thread aluminum spokes. The result is a incredibly stiff, responsive, and durable wheelset capable of World Cup speeds. The Hydra2 hub offers unmatched near-instant engagement for putting down power out of every corner.
Features
Hydra2 Hubs with 870 P.O.E.
Direct-thread aluminum spokes
31mm internal rim width
Hollow Bead Wall technology
Full Power E-Bike Ready
Ultimate stiffness and control
Guides for setup
All guidesWheel Maintenance
Truing, spoke tension management, and hub service — keep your wheelset race-ready and fatigue-free.
Component Compatibility
Avoid expensive fit mistakes between forks, wheels, tires, and cockpit parts before you buy.
Tire Selection & Setup
Choosing the right tread, compound, and pressure for your terrain.
Tubeless Maintenance
Keeping your tubeless setup reliable and performing
Tire Inserts
When inserts help, what they cost in weight and feel, and how to choose the right level of support.
How we evaluate this component
Product cards, analysis notes, and setup guidance are grounded in public specifications, market positioning, compatibility, and the most likely real-world use cases on trail.
Read the full methodology