Sram Rival e-Tap AXS E1 rear derailleur

Meet the brains of your drivetrain. The SRAM Rival e-Tap AXS E1 rear derailleur delivers precise, reliable wireless shifting for any road, on any terrain. Advanced chain management technology keeps your ride quiet and secure, giving you total confidence. Its incredible versatility works with all cassette sizes from 10-28T to 10-36T and both 1x and 2x drivetrains. Fully AXS enabled for easy setup, personalization, and reliability, it’s the smart choice for a smoother, more capable ride