The Rival eTap AXS 1 is a high-performance electronic shifting drivetrain system designed by SRAM. It features a 1x setup, meaning it has a single chainring at the front and a wide-range cassette at the rear. This configuration offers simplicity, weight savings, and reliable shifting performance in various terrain conditions. The eTap AXS technology provides precise and effortless shifting with wireless connectivity, allowing for customization and seamless integration with other components. The P Rival eTap AXS 1 is a popular choice among cyclists seeking a clean, efficient, and intuitive shifting system that excels in both road and off-road cycling disciplines.