Shimano, Acera RD-M3020, Rear Derailleur, Speed: 7/8, Cage: SGS, Black, ERDM30208SGSL

Shimano, XT RD-M8000, Rear derailleur, 11sp., SGS cage

Shimano, Tourney FD-TX800-TS6, Front derailleur, 7-8 speeds, Top swing, Dual pull, Multi clamp, Triple, 66-69°

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

Shimano, Sora RD-R3000, Rear derailleur, 9sp., GS, Black

SRAM, Red AXS E1, Rear Derailleur, Speed: 12