Industry Nine Hydra FatBike Disc Hubs – H2FBXAXI2

Featuring all the advantages of the Hydra freehubn- Angled flanges for lower spoke stress and large diameter disc flange improves wheel stiffness and brake torque transfern- Hydra freehub mechanism improves over previous Torch hub internals with multiple heads engaging for strength and quicker engagementn- 6-pawl, 6-phase, 115-tooth drive ring with .52 deg between engagement pointsn- 6-bolt/44mm-BCD International Standard disc mounting dimensionsn- Made in Asheville, NC USA