The SRAM Apex XPLR AXS rear derailleur is designed specifically for 1x gravel setups, delivering smooth, wireless electronic shifting with the simplicity and reliability of SRAMs AXS platform. Its compatible with 12-speed XPLR cassettes offering up to a 44-tooth max cog, giving riders a wide range for mixed terrain without the complexity of a front derailleur. The derailleur uses SRAMs proven clutch to keep the chain quiet and secure over rough surfaces, while the robust, all-aluminum construction ensures durability in harsh conditions. Fully compatible with the AXS ecosystem, it pairs easily with any AXS controller for clean, precise shifting on every ride.