Sram GX Eagle AXS Lunar (Battery Not Included)

12-speed

Sram MY24 Rear Derailleur Red AXS without Battery

12-speed

Shimano Tourney TX RD-TX800

7-speed, 8-speed

Sram X.4 long cage ESP black

8-speed

Tektro E-Drive RD-M350

8-speed, 9-speed

Shimano Claris RD-R2000 SS

8-speed

Shimano Altus RD-M370 rear derailleur 9-speed

9-speed

Shimano Altus RD-M310

7-speed, 8-speed

Sram Nx

11-speed

Shimano Ultegra Rd-R8000 GS

11-speed

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

6-speed

Shimano Tourney RD-FT35 rear derailleur 6/7-speed with adapter

6-speed

Shimano Xt Rd-T8000

10-speed

Sram Medium cage rear derailleur

11-speed

Shimano Deore MTB RD-M6000 Shadow+ rear derailleur 10s SGS

10-speed