The Garmin 520 GPS cycling computer is the next generation in Garmin GPS. Here’s the competitive edge you’ve been waiting for. Edge 520 is the first device with Strava live segment challenges. This aerodynamic GPS bike computer is packed with advanced analysis features like time in zone, cycling-specific VO2 max1 and recovery time, indoor trainer support, cycling dynamics and in-ride challenges through Strava and Garmin Connect segments. Connected features include live tracking, smart notifications and automatic uploads to Garmin Connect. Edge 520 integrates with compatible Shimano Di2 electronic shifting systems5 and additional ANT+ sensors. It’s compatible with GPS and GLONASS satellites, so you benefit from more signal options, wherever your ride takes you.