Meet the Arofly power meter: one of the smallest power meters cyclists can invest in to measure their power, cadence, speed, altitude, tire pressure, distance, and everything in between. It combines with your smartphone to show your actual output. The device tells you how much work you are doing.
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The power meter connects to most GPS bike computer via ANT+ or Bluetooth. It is compatible with most bikes with Presta & Schrader valve.
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