Replacing the speed sensor or cadence sensor battery the led flashes red to indicate a low battery level after two revolutions.
Garmin bike speed and cadence sensor manual.
Installing the speed sensor.
Pull the strap around the wheel hub and attach it to the hook on the sensor.
Garmin recommends you secure your bike on a stand while installing the sensor.
Go for a ride starting an activity.
The speed sensor attaches to the hub of either wheel and self calibrates with your edge to give you accurate speed and distance at all times including indoors on the turbo trainer.
Locate the circular battery cover on the back of the sensor.
The cadence sensor 2 fastens to any size crank arm and measures pedal strokes per minute so you can get the most out of your training.
You can use a compatible bike speed or cadence sensor to send data to your device.
Speed sensor and cadence sensor instructions.
Installing the speed sensor.
Installing the cadence sensor.
The sensor and bands should not contact any part of your bike or shoe.
Pair the sensor with your device pairing your wireless sensors.
Select to view the table of contents or search.
Place and hold the speed sensor on top of the wheel hub.
Pair the sensor with your device pairing your wireless sensors.
Rotate the crank arm to check for clearance.
If you do not have this sensor you can skip this task.
Send live speed distance and cadence data to compatible training apps or displays by using ant connectivity and bluetooth low energy technology.
Set your wheel size wheel size and circumference.
Set your wheel size calibrating your speed sensor.
On the non drive side place and hold the flat side of the cadence sensor on the inside of the crank arm.
Go for a ride going for a ride.