specialized giant cube cannondale Mavic Castelli endura altura
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  • Product description

    The R3 transmitter enables you to measure your speed, distance and heart rate in a single device.

    The SIGMA STS Run wireless technology sends digitally coded data packages to the receiver within the running computer.

    All in One

    SPEED – DISTANCE – HEART RATE – The R3 transmitter uses an integrated three-axis acceleration sensor to measure acceleration throughout the run and accurately measure speed and distance. The COMFORTEX+ also records an ECG-accurate heart rate measurement.

    The running computer combines three functions in one device: speed, distance and heart rate. And there are no extra accessories.

    Key Features:

    • For HR, speed and distance
    • Compatible with RC 1209 and RC 14.11

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