Freehub body H type (E440), Micro Spline, alloy 4-pawls, 3xNBK, w/oil seal, water seal, w/distance spacer, w/o side cap, w/AXLE B12 12×148 for D902SB-B12-CL, for CENTER LOCK, OEM – IMPORTANT NOTE: Micro Spline freehub body is compatible only with Micro Spline axle.