Use this easy-to-install wireless sensor to monitor your pedaling cadence while riding. Since there are no magnets or other exposed parts to line up, the sensor is easy to install, maintain and move between bicycles. Just install the sensor and ride. Since there are no magnets or other exposed parts to line up, the sensor is easy to install, maintain and move between bicycles. The Bluetooth word mark and logo are registered trademarks owned by Bluetooth SIG, Inc., and any use of this trademark by Garmin is licensed.