SRAM Red rear derailleur, 10 Speed, Short Cage, Carbon cage.

SRAM Red 10-Speed Rear Derailleur Short Cage (LO50)

UNTESTED_SRAM Rival AXS RD-RIV-E-D1 Rear Derailleur Long Cage 12-Speed Road Bike

Sram Red Aero Glide Rear Derailleur 11 speed

SRAM Red 22 Long Cage 11-Speed Mechanical Bike Rear Derailleur Ceramic

sram red rear derailleur 10 SPEED

SRAM Red 22 Short Cage 11-Speed Mechanical Bike Rear Derailleur Ceramic *used*

SRAM Red Rear Derailleur 10 Speed Short Cage 2x10 Speed Blackbox Road/TT Bike