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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 endcaps, wire EDM cutting A2 tool steel for pawls and drive rings, to in-house anodization lab, every step of design, engineering, manufacturing and assembly is done to exacting standards.