SRAM, XX1 Rear derailleur, 11sp, Type 2.1, Long cage

SRAM, X01 DH, Rear Derailleur, Speed: 7, Cage: Medium, Black

Shimano, RD-M5120, Rear Derailleur, Speed: 10/11, Cage: SGS, Black

Shimano, Ultegra RD-R8000, Rear derailleur, 11sp., GS, Grey

Shimano, Deore XT Di2 RD-M8250 Kit, Rear Derailleur, Speed: 12, Cage: GS, Black, I-Spec EV, IGPM8250UPG04

SRAM, GX 1X11, Rear derailleur, 1X11sp., Long cage, Black