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

Shimano RD-RX817 GRX Di2 Rear Derailleur Outer Plate Assembly Description: The Shimano RD-RX817 GRX Di2 Rear Derailleur Outer Plate Assembly is a factory replacement part. If a rear derailleur cage has become damaged but the rest of the derailleur can still be used, this part will help to restore the proper shifting performance of the rear derailleur. Features: Includes the outer derailleur cage plate and hardware for proper fitment within the derailleur body Derailleur body, pulleys, inner cage, and other hardware sold separately See compatibility tab for full list of compatible derailleurs