Garmin EDGE 520

Offers in-ride challenges through Strava live segments
Reports cycling-specific VO2 max and recovery time when used with power and heart rate
Pairs with compatible ANT+® indoor trainers for data display and control
Tracks Functional Threshold Power (FTP), watts/kg and cycling dynamics when used with Vector™ or Vector 2 power meters
Connected features¹: automatic uploads, live tracking, smart notifications, send/receive courses, social media sharing, weather