The Garmin ANT+ Speed Bike Cycle Sensor 2 is a device designed specifically for cyclists looking to track their speed and performance during training sessions or rides. With its GPS sensor capabilities, users can accurately record their cycling activities and monitor their progress. As part of Garmin's range of bike computers, this sensor is reliable and user-friendly, making it an essential tool for cycling enthusiasts looking to enhance their performance and improve their overall fitness levels while out on the road.