The SRAM Rival AXS XPLR E1 Rear Derailleur provides consistent, precise shifting through rough gravel conditions using a Full Mount interface and hangerless design that eliminates adjustment screws and resists impacts. Wireless AXS technology provides clean, cable-free operation with fast, effortless shifts. The derailleur is 1x specific and designed for use with a 10-46T XPLR 13-speed cassette and Flattop chains. A mountain bike-inspired spring clutch ensures strong chain management over uneven terrain. Rebuildable and replaceable parts add long-term serviceability for riders who demand durability and simple setup.