SRAM Rival eTap AXS D1 12 Speed Rear Derailleur

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 Battery and charger sold seperately