Shimano GRX RX822 12 speed rear mech. Unused taken off bike before use.
Shimano GRX RD-RX822 12-Speed Rear Derailleur- medium Cage 6 months old
Shimano GRX RD-RX822 12-speed rear derailleur; Shadow+; max 51T for single
Shimano GRX RD-RX822-GS 12-Speed Derailleur & XT CS-M8100 12 speed bike cassette
Shimano GRX RD-RX400 GRX 10-speed rear derailleur, Shadow+, for double, Black
Shimano GRX RD-RX812 GRX 11-speed rear derailleur, Shadow+, for single ,Black
