SRAM RIVAL E-TAP AXS 2x12V Medium Cage Rear Derailleur

Compatible with single and double drivetrains, the SRAM Rival eTap AXS rear derailleur rear derailleur will accompany you on all types of terrain and in all gear configurations.

Extremely reliable chain management and fast, precise shifting make all your outings quiet and smooth, for a comfortable ride.

This rear derailleur features eTap wireless electronic shifting logic for intuitive shifting, easy configuration and impeccable reliability. What's more, it's compatible with 10-28, 10-30, 10-33 and 10-36 tooth cassettes.

The new AXS bike component integration system connects bike software with electronic components. This application lets you view battery status, modify component behavior, customize controls, receive maintenance reminders and update firmware.

Finally, X-Sync rollers, with ceramic bearings, offer enhanced durability and efficiency.