This freehub body is used to convert all previous generation ratchet DT Swiss hubs to a HG driver. This does not include the ratchets or springs, and will just replace your current XD or Micro Spline freehub body. This freehub body will work with 12×142, 148, or 157 rear hubs. The different hub shell sizes make up the difference, and all sizes use the same included end cap. Bearings are pre-installed.Only compatible with the standard Ratchet style DT Swiss Hubs. Not compatible with EXP, DEG, or pawl style DT Swiss hubs.

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