Description: Save your speed and cadence during the tour with these easy-to-mount sensors. Magnets or other accessories are not required. The sensors are quick to install and easy to maintain. They are also easy to use on a variety of bikes. The speed sensor 2 is mounted on one of the wheel hubs. Set the wheel size manually in the Garmin Connect app or self-calibrate with the Edge® bike computer or any other compatible Garmin device. Once set up, you'll always get accurate speed and distance data - even without pairing with a Garmin product. The Cadence Sensor 2 is suitable for pedal cranks of all sizes and measures pedal revolutions per minute. So you can get the most out of your workout. Send your live speed, distance and cadence data via ANT+® and Bluetooth® Low Energy to our Garmin Connect online platform and other training apps, compatible devices and fitness equipment for comprehensive data on your indoor training and outdoor tours. Use the speed and cadence sensor 2 to improve your performance permanently or see how you compare to friends or even pros.