Used Rear derailleurs

Sram GX Eagle Lunar

12-speed

Shimano Deore XT RD-M8100

12-speed

Shimano SLX RD-M7100

12-speed

Shimano Altus RD-M310

7-speed, 8-speed

Shimano Deore XT RD-M8000

11-speed

Shimano RD-M9250 Upgrade Kit

12-speed

Shimano Tourney RD-TY300 rear derailleur 6/7-speed direct mount

6-speed

Shimano Deore RD-M5100

11-speed

Shimano Alivio RD-M3100

9-speed

Shimano Deore XT RD-M8000

11-speed

Shimano Deore RD-M5120

11-speed, 10-speed

Shimano Tourney TX RD-TX800

7-speed, 8-speed

Shimano Acera RD-M30208

8-speed

Shimano Cues RD-U6000

11-speed, 10-speed

Shimano Deore RD-M6100

12-speed