Industry Nine Hydra Classic Rear Hub: 32H, 12x148mm, Black, 6-bolt, HG FreehubMade in Asheville, NC, Torch Hydra hubs feature low weight and 690 points of engagement with . 52 degrees between engagements making them one of the highest engaging hubs on the market. The hubs are offered in a wide range of colors, as well as HG, XD, and Micro Splined freehub bodies. From the outside, the new Hydra hubs look identical to the previous generation; the real magic happens inside with the upgraded Hydra drive mechanism. Featuring the new