Industry Nine HYDRA2 MTB Front Hub 6‑Bolt (Classic) – 28 Hole

The Industry Nine HYDRA2 MTB Front Hub (6‑Bolt, Classic, 28H) is built for riders who want a high‑end hub that feels instantly responsive, stays smooth in harsh conditions, and holds up to serious trail mileage. Weighing in at 157g, this front hub is a strong pick for modern MTB wheel builds where stiffness, longevity and easy servicing matter—whether you’re riding XC, trail or enduro lines across Brisbane, South East Queensland and beyond.

HYDRA2 is a complete redesign informed by extensive real‑world use, drawing on the performance lessons from more than 100,000 original Hydra hubs. The result is a front hub platform engineered for increased reliability: a 65% thicker axle improves stiffness under hard cornering and repeated impacts, while larger 6903 bearings paired with updated labyrinth seals help keep contamination out—ideal for dusty summer trails, wet-season mud, and long-distance endurance riding. Industry Nine also reworked internal interfaces for durability, delivering a hub that’s designed to keep rolling smoothly and remain serviceable through multiple seasons of riding.

Where HYDRA2 really stands out is its ride feel. The refined drive architecture and updated pawl design deliver lightning‑fast 0.41° engagement, helping your front end and drivetrain feel more connected during rapid accelerations, technical climbs and quick changes in pace. The design also targets reduced coasting drag, so the wheel rolls freely when you’re not pedalling—useful for flow trails, descending, and fast gravel-road transitions.

For riders purchasing through bike shops and professional wheel builders, the HYDRA2 front hub is a premium choice because it supports clean builds and long-term ownership. Choose 28H or 32H drilling to match your rim and spoke plan, use a 6‑bolt rotor mount for wide brake compatibility, and pair it with professional wheel building, bearing service, and rotor installation for the best results. It’s a high‑performance MTB hub that suits riders who want premium engineering without compromising on practical serviceability.

Key Specs (as supplied)

• Model: Industry Nine HYDRA2 MTB Front Hub
• Rotor mount: 6‑Bolt
• Shell type: Classic
• Hole count: 28H (also available in 32H)
• Weight: 157g
• Engineering highlights: thicker axle, larger 6903 bearings, labyrinth seals, revised drive design
• Engagement: 0.41° (claimed)