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Industry Nine Hydra Classic Rear Hub - 12 x 157mm 6-Bolt Micro Spline Black 28H. Industry Nine Hydra Classic hubs are the heart of your wheelset everything revolves around them literally. Every Classic Hydra hub is made start to finish in Asheville NC. 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 in-house anodization lab every step of design engineering manufacturing and assembly is done to exacting standards.690 P.O.E. Hydra Freehub body engages every .52 degrees yeilding telepathic control
6 pawl 6 phase
115 tooth drivering
Easily serviced with no proprietary tools. Designed to keep you in the saddle and out of the service queue
Classic j-bend spoke interface
Steel cartridge bearings are durable
- TECH SPECS
| Bearing Type | Sealed Cartridge |
| Cassette Body Type | Shimano Micro Spline |
| Center to Flange Left | 41 |
| Center to Flange Right | 29 |
| Color | Black |
| Defined Color | Black |
| Flange Diameter Left | 58 |
| Flange Diameter Right | 60 |
| Hub Drilling | 28 |
| Hub/Brake Compatibility | 6-Bolt Disc |
| Rear Axle | 12mm Thru x 157mm |
| Skewer Included | No |
| Spoke Interface | J-Bend |
| Weight | 304 |
