The SRAM XX1 Eagle Power Meter unites Quarq’s DZero power meter platform with CARBON TUNED crank arms for robust, intuitive power measurement in the lightest ever chassis. The DZero platform embodies 10 years of Quarq’s technology advances and adds new features such as dual Bluetooth low energy and ANT+ wireless data transfer, and the Qalvin BLE app. The companion X-SYNC 2 chainrings are designed specifically for Eagle chains and drivetrains. SRAM’s Eagle groupset and the XX1 Eagle Power Meter are a winning combination for mountain bikers who want to soar.