Shimano Cues RD-U4000

Sram XX SL T-Type Eagle AXS

Shimano Rear derailleur ESSA RD-U2000 8-speed

Shimano Cues RD-U3020

Micro Shift Microshift Mezzo rear hub, 8-9th mode 28-36T, capacity 39T (new)

Shimano Altus RD-M2000 Shadow rear derailleur 9s

Shimano Tourney TX RD-TX800

Sram Rear Derailleur Eagle 70 Transmission mechanical

Shimano Ultegra Rd-R8000

Shimano Deore XT

Shimano GRX RD-RX810

Sram Standard

Shimano GRX RD-RX400

Sram X5

Shimano Deore RD-M5100