Industry Nine 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.

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 in Asheville NC

690 P.O.E. Hydra Freehub body engages every .52 degrees yeilding telepathic control

Classic j-bend spoke interface

Steel cartridge bearings are durable

Easily serviced with no proprietary tools; Designed to keep you in the saddle and out of the service queue

Spoke Interface	J-Bend
Defined Color	Black
Color	Black
Flange Diameter, Right	45
Flange Diameter, Left	58
Weight	165
Hub Drilling	32
Bearing Type	Sealed Cartridge
Front Axle	15mm Thru x 110mm
Hub/Brake Compatibility	6-Bolt Disc
Center to Flange, Right	42
Center to Flange, Left	27