Measure power via heart rate monitoring, only with the Power Tap PowerCal ANT+.

The PowerCal is the world’s first-ever power meter calculated from heart rate. At the time of its release it was an incredible innovation combining two important training metrics: heart rate and power. And after all these years, the PowerCal remains as one of PowerTap's most popular products for a good reason – athletes of all kinds trust it ride after ride.


Compatible with Strava Running and Cycling GPS app

Compatible with Wahoo Fitness app

600 hours of operation per battery with ANT+ (400 with Bluetooth)

Signal Transmission: Bluetooth Smart  (Cycling Power Service, Heart Rate Service, Device Info Service) or ANT+ (2.4 GHz)

Operational Temperature: 0-40C/32-103F

Battery Type: CR2032

Battery Life: 400 Operational Hours (Bluetooth); 600 Operational Hours (ANT+)

The PowerCal is not a waterproof device and should not be submerged in water

PowerCal BLE is compatible exclusively with the PowerTap mobile application on iPhone 4S or higher. 

PowerCal ANT+ is compatible with android and iPhone/iPad devices with use of appropriate ANT+ adapter key

PowerCal ANT+ is not compatible with cervos (little yellow computer) or older grey indoor cycle consoles.

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