SRAM RIVAL AXS REAR DERAILLEUR D1 12-SPEED MEDIUM CAGE (BATTERY NOT INCLUDED)
 
On any surface you can imagine, in any drivetrain configuration, the Rival eTap AXS rear derailleur will handle it. Secure chain management and fast, precise shifting make for a smooth and quiet ride, every time.
FEATURES
Wireless electronic eTap shift logic for intuitive shifting, easy setup and reliability
Compatible with both 1x and 2x drivetrains
36t cog max derailleur works with 10-28, 10-30, 10-33, and 10-36 cassettes
SRAM AXS™ enabled, allowing easy personalization
Chain management keeps the drivetrain quiet and secure
X-SYNC pulleys for increased durability and efficiency