Locate the circular battery cover on the back of the sensor.
Garmin 520 speed sensor battery.
Replacing the heart rate monitor battery.
Replacing the speed sensor or cadence sensor battery the led flashes red to indicate a low battery level after two revolutions.
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.
Pull the strap around the wheel hub and attach it to the hook on the sensor.
If no speed and cadence sensors are paired with the device gps data is used to calculate the speed and distance.
Place and hold the speed sensor on top of the wheel hub.
Speed sensor and cadence sensor specifications.
Garmin recommends you secure your bike on a stand while installing the sensor.
Same method applies to any garmin sensor.
Caring for the heart rate monitor.
Locate the circular battery cover on the back of the sensor.
A walkthrough of how to change the battery on a garmin speed sensor.
Replacing the speed sensor or cadence sensor battery the led flashes red to indicate a low battery level after two revolutions.
Replacing the heart rate monitor battery.
Cadence is your rate of pedaling or spinning measured by the number of revolutions of the crank arm per minute rpm.