SRAM Red eTap AXS D1 12 Speed Rear Derailleur

The heart of the connected cadre. The SRAM RED eTap AXS rear derailleur is AXS enabled for easy personalization and designed for both 1x and 2x systems. Advanced chain management keeps it silent and secure no matter the terrain. The derailleur also comes with faster pulleys, bearings, motors and signals, improving speed in every way.
Features:

SRAM AXS enabled for easy personalization
Orbit chain management technology keeps drivetrain quiet and secure
A single rear derailleur for all gearing combinations, including 1x and 2x
Improved motor and signal travel for faster shifting
Larger X-SYNC pulleys and ceramic bearings for increased durability and efficiency
Compatible with existing eTap batteries
Battery sold separately

Specifications:

Speed (RD): 12s
Cable pull ratio: n/a
Cage (RD): Short
Max tooth: 33
Color (RD): Black
Pulley bearings material: Ceramic
Cage material (RD): Carbon