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The black TomTom Cadence and Speed Bike Sensor is designed for use with TomTom Multi-Sport GPS and Cardio GPS watches. Using Bluetooth Smart technology, this bike sensor can wirelessly send cadence and speed information to your paired TomTom watch. This sensor mounts to your bike and includes the necessary installation hardware. A CR2032 battery is included for powering the sensor.
Measure your pedal stroke and speed in real-time
Can be used indoors and outdoors
Bluetooth Smart technology for enhanced battery life