quarq-dzero-aluminum-power-meter-crankset-170mm-10-11-speed-130-bcd-gxp-spindle-interface-black
quarq-dzero-aluminum-power-meter-crankset-170mm-10-11-speed-130-bcd-gxp-spindle-interface-black, Quarq's power meter cranks continue to be reliable, accurate and easy to use. The Dzero series offers more data transfer and frame fit compatibility.Measures power for both legs with +/_ 1.5% accuracyDual Bluetooth lowenergy and ANT+ wireless data transferAxCad system provides no-magnet cadence dataFree firmware updates with the QALVIN APPUses a CR2032 battery that can be replaced without toolsSwap chainrings without needing to recalibrate