Garmin Speed Sensor 2 and Cadence Sensor 2The Garmin Speed and Cadence Sensor 2 Bundle provides precise ride data without the hassle of magnets. The Speed Sensor 2 mounts to either wheel hub, self calibrating to deliver accurate speed and distance. It even tracks distance independently, syncing to Garmin Connect without a head unit. The Cadence Sensor 2 attaches to any crank arm size to monitor pedal strokes per minute. Both sensors utilize Bluetooth and ANT+ for seamless connectivity with