SRAM Red eTap WiFli Wireless Electronic 11 Speed Rear Derailleur

SRAM Red eTap Short Cage 11-Speed Electronic Bike Rear Derailleur No Battery

SRAM Force eTap AXS 12-Speed Rear Derailleur RD-FRC-E-D1, 33T Max

Shimano XTR RD-M9050-GS Rear Derailleur 11 Speed Medium Cage Di2

SRAM RED 11-Speed eTAP Rear Derailleur Short Cage Black w/o Battery

SRAM Red eTap Short Cage 11-Speed Electronic Bike Rear Derailleur No Battery

SRAM Red 11-Speed Short Cage Rear Derailleur | Carbon Fiber, Titanium, Ceramic

SRAM Red 22 Short Cage 11-Speed Mechanical Bike Rear Derailleur 142g