The SRAM Rival AXS E1 Rear Derailleur serves as the intelligent core of any wireless road drivetrain, offering precise and reliable shifting across a wide range of cassette options. Designed for both 1x and 2x setups, it seamlessly handles cassettes from 10-28T to 10-36T, making it adaptable for everything from fast road rides to rugged mixed-terrain adventures. Featuring SRAM’s advanced chain management technology, the Rival AXS derailleur keeps the drivetrain quiet and secure, ensuring a confident ride over rough surfaces. Wireless communication through the AXS platform simplifies setup, customization, and diagnostics, allowing riders to personalize their shifting experience with ease.

Built for 12-speed systems, the Rival AXS E1 Rear Derailleur uses a larger X-SYNC lower pulley to enhance drivetrain efficiency and chain retention. The derailleur body features a durable aluminum cage and steel pulley bearings for long-lasting performance in real-world conditions. Compatible with SRAM’s Road Flattop D1 and E1 chains, it integrates seamlessly into the latest AXS ecosystems, offering smooth, fast, and consistent shifting under load. Finished in a sleek black and grey color scheme, it pairs function with understated style. Whether building a new 12-speed wireless system or upgrading an existing bike, the Rival AXS E1 Rear Derailleur delivers the reliability, simplicity, and performance needed to tackle any ride with total confidence.