Industry Nine Hydra Classic Boost 6B Disc Hub Rear 28H 12mm TA 148mm Shimano Micro Spline Turquoise Model=Pro Rugged 2 Knee Pads 3D Classic: Injected plastic chassis

3D Classic: Injected plastic chassis allows heel support and good torsional rigidity to optimize power transfer

Material Aluminum Primary Color Gold Height Set Steerer Tube 1-1/8

9 Primary Color Black

} Durable high gloss finish

Industry Nine Hydra Classic Boost 6B Disc Hub Rear 28H 12mm TA 148mm Shimano Micro Spline Turquoise Model=Pro Rugged 2 Knee Pads 3D Classic: Injected plastic chassisIndustry Nine Hydra Classic Rear Hub 12 x 148mm 6 Bolt Micro Spline Turquoise 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