Elevate your ride with the SRAM GX Eagle AXS Upgrade Kit, the ultimate solution for mountain bikers seeking instant, reliable wireless shifting. This comprehensive kit includes a robust GX Eagle AXS rear derailleur, intuitive controller, rechargeable battery, charger, and all essential mounting accessories—delivering smooth and precise electronic performance for every trail adventure. Designed for easy installation and seamless integration with your existing Eagle drivetrain, this kit transforms your bike with cutting-edge technology trusted by riders everywhere. Choose from sleek black or bold lunar colors, compatible with 12-speed Eagle setups, to perfectly match your style and frame size.