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

TRP, VISTAR RD-C8000E, Wireless, Rear Derailleur, Speed: 12, Black, w/ battery + charger, ABRD000021

Shimano, XT RD-M786, Rear derailleur, 10sp., Black, GS

Shimano, Ultegra Di2 FD-R8050, Front derailleur, 11sp., Down Swing, Down Pull, Braze-on

SRAM, Rival1 Type 3.0, Rear derailleur, 11sp., Long, Black

Shimano, XTR Di2 RD-M9250 Kit, Rear Derailleur, Speed: 12, Cage: GS, Black, clamp band, IGPM9250UPG03