SRAM Red eTap Rear Derailleur Black/Silver Wi-Fli ( medium cage) 11 Speed

Sram Red eTap AXS Rear Derailleur 12 Speed Electronic Mid Cage 33t Max

SRAM XX1 Eagle AXS Rear Derailleur Black Long Cage Aluminum Battery MTB

SRAM Red AXS E1 12-Speed 36t Bike Rear Derailleur w/ Battery

SRAM Rival eTap AXS Medium Cage Rear Derailleur 12-Speed Black D1 Max 36t

SRAM RED E1 AXS eTap Rear Derailleur Pulley Cage & Pulleys. 12 Speed. 36t.

SRAM Red AXS E1 12-Speed 36t Bike Rear Derailleur w/ Battery

SRAM Force eTap AXS D1 33T 12 Speed Electronic Rear Derailleur + Battery