Featuring the new Hydra internals, designed around a traditional flanged hub- Angled flanges for lower spoke stress and large diameter disc flange improves wheel stiffness and brake torque transfer- Hydra freehub mechanism improves over previous Torch hub internals with multiple heads engaging for strength and quicker engagement- 6-pawl, 6-phase, 115-tooth drive ring with .52 deg between engagement points- Center Lock 35mm splined disc rotor mount- Made in Asheville, NC USA