Garmin Bike Cadence Sensor

• Monitor your cadence as you ride with these easy-to-install wireless sensors. With no magnets or other exposed parts to line up, these sensor are easy to install, maintain and move between bikes.
• 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.
• Send live cadence data to compatible training apps or displays by using ANT+® connectivity and BLUETOOTH® Low Energy technology.