SRAM Red eTap 11-Speed Rear Derailleur

The SRAM RED eTap rear derailleur executes shifts the instant you demand. Wirelessly. It’s easy to set up, clean in appearance and delightfully uncomplicated. Mechanical necessities such as a carbon pulley cage, ceramic pulley bearings, and anodized alloy artfully blend with proprietary electronic advancements to deliver a shifting wonder.
Features:

SRAM eTap shift logic and wireless operation
Fits all 11-speed SRAM road cassettes up to 11-32t
2x and 1x compatible
Updated version of the original SRAM RED eTap rear derailleur
Orbit chain management technology keeps drivetrain quiet and secure
Larger X-SYNC pulleys and ceramic bearings for increased durability and efficiency
Compatible with existing eTap battery

Specification:

Speed (RD): 11s
Cable pull ratio: n/a
Cage (RD): Short
Max tooth: 33
Color (RD): Black
Pulley bearings material: Ceramic
Cage material (RD): Carbon

Battery and charger not included.