Industry Nine Hydra Classic hubs are the heart of your wheelset. Everything revolves around them - literally. Every step of design, engineering, manufacturing, and assembly is done on premises to the brand's exacting standards, ensuring strong and reliable hubs to keep you rolling on the trails.

Hydra Classic mountain hubs are loaded with features every rider will appreciate such as generously low weights and an intuitive layout that can be serviced without any proprietary tools.

Specifications

• Axle Diameter: 15mm // 20mm
• Spacing: 100mm // Boost 110mm
• Disc Brake Mount: 6 Bolt // Center Lock
• Spokes Count: 32