The Garmin Edge 25 with heart rate monitor captures essential stats from your ride like time, distance, speed, total ascent & location. Easily paired with a heart rate strap & cadence sensor (Cadence sensor Sold Separately), so you can record your heart rate & heart rate zone, Heart rate compatibility also provides more accurate calories burned information during your ride. Get an accurate workout with our heart rate monitor. When worn around your chest during an activity, it wirelessly transmits your heart rate to your compatible device for instant feedback on how hard you’re working.