New SRAM Rival E-tap Axs Rear Derailleur - No Battery

On any surface you can imagine, in any drivetrain configuration, the SRAM Rival eTap AXS rear derailleur will handle it. Secure chain management and fast, precise shifting make for a smooth and quiet ride, every time.AXS is as you know Sram's new bike component integration system that connects electronic bicycle components and software. The SRAM AXS app allows riders to see battery status, change component behavior and personal controls to suit you riding. You can if you wish receive mainrenance update...