Product
Industry Nine has officially released the new Hydra 2 hub, the latest evolution in hub technology for trail, enduro, E-bike, and downhill riders. Building upon the design of its predecessor, the Hydra 2 hub retains familiar features - such as wide compatibility and color selections - while incorporating significant engineering enhancements. With a set of hubs priced at $700 USD, the Hydra 2 is an investment in performance enhancement for riders seeking reliability in extreme conditions.
Enhanced Durability for Extreme Conditions
The Hydra 2 is engineered to endure the most demanding riding. The upgraded axle is 65% thicker (compared to the original Hydra), efficiently distributing stress while minimizing flex and risk of failure from high-torque loads from E-bikes or aggressive downhill riding. Complementing the axle, are larger 6903-series bearings and a dual defense against contamination: an innovative labyrinth channel directs debris away, while a full-contact radial lip seal ensures long-term protection.
The redesigned pawl system features 5.5 mm pockets that dissipate force 26% more effectively than previous designs, preventing pocket stretch even over years of heavy use. Each pawl features an additional tooth and a hardened alloy construction to handle the torque demands of Class 1 E-bike motors.

Superior Engagement and Efficiency
One of the standout advancements of the Hydra 2 is its improved engagement system. With a sharper engagement angle of 0.41° (compared to 0.52° in Hydra 1), the hub delivers immediate power transfer — a crucial factor for technical climbs and sudden accelerations. The design boasts a remarkable 60% reduction in freehub resistance during coasting compared to its predecessor. This efficiency boost not only enhances riding performance but also contributes to a smoother, more responsive ride overall.

Colorful, Aesthetic Build
The Hydra 2 hub retains the same extensive range of anodized finishes as its predecessor, but features a new flange design. The scalloped flanges dissipate stress more evenly, lowering the chance of damage to, or failure of, the hub shell and flanges. With these upgrades, the Hydra 2 exhibits an advanced design, ensuring that each hub not only performs exceptionally but also stands out as a premium component.

For riders who demand the pinnacle of hub performance, the Industry Nine Hydra 2 is designed to exceed expectations. Its combination of enhanced durability, superior engagement, and engineered resilience makes it an ideal choice for those tackling the most challenging trails and conditions. At Light Bicycle, we stay at the forefront of industry developments to offer the best component options for your ride—Hydra 2 hub selections will be available on our website soon. Embrace the future of cycling technology with the Hydra 2 hub—where durability meets precision in every ride.
Specifications
Compatible Bikes | MTB, E-bike |
Color Options | Black, Blue, Bronze, Gold, Green, Lime, Orange, Pink, Silver, Turquoise, Purple, Red |
Drive Mechanism | Six Pawl System |
MSPR | $700 USD |
6-bolt | 20x110 Non Boost / 15x100 | 32H | 157g |
15x110/ 15x110 Torque Cap | 28H/32H | 299g | |
20x110 Boost (15mm conversion kit available) | |||
CL | 15x110 / 15x110 Torque Cap | 28H/32H | 139g |
6-bolt | QRx141 / 12x148 | 28H/32H | 292g |
12x150 / 12x157 | 28H/32H | 299g | |
CL | QRX141 / 12x148 | 28H/32H | 277g |
12x150 / 12x157 | 28H/32H | 279g |
March 10th, 2025 | Light Bicycle
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