SRAM Rival eTap AXS Rear Derailleur

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.MODEL ID: RD-RIV-E-D1 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 10-28T, 10-30T, 10-33T, and 10-36T cassettes SRAM AXS enabled, allowing easy personalization Spring clutch keeps the drivetrain quiet and secure X-SYNC pulleys for increased durability and efficiency TECHNOLOGY ETAP All of the underlying tech in their new SRAM RED eTap groupset, such as wireless shifting, advanced battery power management, and mechatronics technologies, are meant to serve one ultimate purpose: to facilitate the most intuitive and consistent shifting available. This shift logic is called eTap. Right lever makes it harder, left lever makes