Industry Nine Classic hubs are the heart of your wheelset, everything revolves around them, literally. 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. Our range boasts a universe of standard options in terms of axle fit, spoke hole drillings, disc rotor mounting, freehub bodies, and colors.
SPECIFICATIONS
| Hub Type | Rear |
| Axle Width | 148mm |
| Disc Brake Rotor Mount | 6-bolt |
| Spoke Count | 28 or 32-hole |
| Freehub Body | Shimano HG (11-speed), Shimano MS (12-speed MicroSpline) or SRAM XD |
| Pawls/Engagement | 0.5 deg engagement / 6 pawl freehub / 690 points of engagement |
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