SRAM RED eTap AXS Rear Derailleur - 12-Speed Medium Cage 36t Max Black D1. The SRAM RED eTap AXS rear derailleur is AXS enabled for easy personalization and designed for both 1x and 2x systems. Orbit advanced chain management technology keeps it silent and secure no matter the terrain. Component upgrades include faster pulleys bearings motors and signals to improve speed in every way.

Battery sold separately

SRAM AXS enabled for easy personalization

Orbit chain management technology keeps drivetrain quiet and secure

Shifting is optimized with an advanced motor and signal travel

Large X-SYNC pulleys and ceramic bearings for increased durability and efficiency

Compatible with existing eTap batteries