Each kit includes one each of the following: RD-M9250, SW-M9250, BT-DN320, EC-DN100 and SM-CN910-12
PLEASE NOTE: CS-M9200 is compatible with the MICRO SPLINE FREEHUB body standard. 9-45T is compatible with MICRO SPLINE FREEHUB standards and mounts with the use of a special lockring tool (TL-LR021).