The sensor may be tilted when installed on an asymmetrical hub.
Garmin 520 speed sensor not working.
You can work to improve your personal best or see where you stand against the pros.
Speed and or cadence sensorsspeed and or cadence sensors can be a little confusing but hopefully this should help sort it out.
A walkthrough of how to change the battery on a garmin speed sensor.
Place and hold the speed sensor on top of the wheel hub.
This does not affect operation.
The speed sensor 2 attaches to the hub of either wheel and self calibrates with your edge cycling computer or compatible garmin device to give you accurate speed and distance at all times even without a head unit.
Some sensors only transmit sp.
Replacing the speed sensor or cadence sensor battery.
Place and hold the speed sensor on top of the wheel hub.
Garmin support center is where you will find answers to frequently asked questions and resources to help with all of your garmin products.
Same method applies to any garmin sensor.
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.
Garmin recommends you secure your bike on a stand while installing the sensor.
Pull the strap around the wheel hub and attach it to the hook on the sensor.
Locate the circular battery cover on the back of the sensor.
Pull the strap around the wheel hub and attach it to the hook on the sensor.
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