Shimano Ultegra RD-R8050 SS Rear Derailleur 11-Speed Di2 Electronic Used

Shimano Dura-Ace RD-R9150 Rear Derailleur 11-Speed Di2 Electronic Used

Shimano Dura-Ace RD-R9150 11-Speed Rear Derailleur w/ CeramicSpeed OSPW USED

Campagnolo Record Rear Derailleur 11 Speed Road Bike Used

Campagnolo Athena Rear Derailleur 11 Speed Silver - Used Good Condition

Campagnolo Record 11s Rear Derailleur 11 Speed Used

Shimano Dura-Ace Di2 RD-R9150 Rear Derailleur Electronic Used

Campagnolo Record 12s Rear Derailleur Road Bike Used 12 Speed