Features advanced navigation, including new rider alerts and the preloaded Garmin Cycle Map with turn-by-turn directions for on and off road coursesPreloaded Strava Live Segments let you compete second by second with your previous best or another rider's PR; see real-time results right on your screenStay connected1 with LiveTrack and GroupTrack2, smart notifications, rider-to-rider messaging and built-in Incident DetectionMonitors cycling-specific VO2 max and recovery time when used with power and heart rate sensorsTracks Functional Threshold Power (FTP) and cycling dynamics when used with Vector™ power metersBattery life: up to 15 hours3