What Our Gearhead® Experts Are Saying:"I’ve hammered this derailleur through mud, roots, and rocky creek beds, and it’s never needed a tune. The Full Mount system is bomber, and the AXS wireless shifting is as clean and fast as anything out there."Gravel is never smooth—but shifting should be. The Rival XPLR AXS Rear Derailleur makes every gear change seamless, even when the terrain is anything but. Designed specifically for SRAM's 13-speed 10–46T XPLR cassette, it uses a 1x-specific layout and a clutch-driven chain management system inspired by mountain technology for rock-solid performance. And because it’s wireless, there are no cables to stretch, tangle, or freeze. Thanks to its Hangerless Interface and Full Mount attachment, this derailleur delivers unmatched resilience and stays precisely in tune no matter how rough the ride—or how rough the baggage handler. Its no-adjustment-screw design means setup is faster than ever, and a rebuildable architecture gives peace of mind for long hauls or hard knocks. Simply put, it’s built to take you anywhere.