Replacing the heart rate monitor battery.
Garmin 520 speed sensor battery.
Cadence is your rate of pedaling or spinning measured by the number of revolutions of the crank arm per minute rpm.
Replacing the heart rate monitor battery.
Battery type user replaceable cr2032 3 v battery life approximately 12 months 1 hour per day operating temperature range.
Garmin recommends you secure your bike on a stand while installing the sensor.
Place and hold the speed sensor on top of the wheel hub.
Caring for the heart rate monitor.
If no speed and cadence sensors are paired with the device gps data is used to calculate the speed and distance.
Replacing the speed sensor or cadence sensor battery.
Cadence data from the cadence sensor is always recorded.
Replacing the speed sensor or cadence sensor battery.
Replacing the speed sensor or cadence sensor battery the led flashes red to indicate a low battery level after two revolutions.
Speed sensor and cadence sensor specifications.
Caring for the heart rate monitor.
Replacing the speed sensor or cadence sensor battery the led flashes red to indicate a low battery level after two revolutions.
Locate the circular battery cover on the back of the sensor.
Speed sensor and cadence sensor specifications.
A walkthrough of how to change the battery on a garmin speed sensor.