Shimano RD-RX817 GRX Di2 Rear Derailleur Inner Plate (Black) (Mid Cage) (1 x 11 Speed)

Shimano RD-RX817 GRX Di2 Rear Derailleur Inner Plate Description: The RD-RX817 GRX Di2 Rear Derailleur Inner Plate is a factory replacement part. This part can be used to restore the appearance and proper shifting performance of a worn rear derailleur or used to repair damage caused by an accident. Features: Includes the inner derailleur cage plate Derailleur body, pulleys, outer cage, and other hardware sold separately See compatibility tab for full list of compatible derailleurs