Garmin Bike Speed 2 and Cadence 2 Description: Garmin Bike Speed Sensor 2 and Cadence Sensor 2 work together to deliver accurate and useful information regarding your bicycle ride metrics. After pairing and calibrating each sensor with your Garmin Edge cycling computer or other compatible apps via smartphone, Speed Sensor 2 will deliver accurate speed and distance at all times, while Cadence Sensor 2 measures and delivers accurate pedal strokes per minute readings. Attaching each sensor requires only the use of a provided rubber gasket, leaving no exposed pieces, or unsightly mounts. Speed Sensor 2 mounts handily onto hubs without the need for magnets or tuning, while Cadence Sensor 2 mounts directly to crankarms requiring no further accessory for operation. Features: Easily attached bike speed and cadence sensors Send live speed, distance, and cadence data to apps or compatible devices Connect to devices using ANT+ or Bluetooth low-energy technology Attaches to cranks and hubs without magnets or wires Specifications: Wireless Connection: ANT+(R) & Bluetooth(R) Low Energy