Garmin edge 520 gps cycle computergarmins edge 520 gps cycle computer is the pinnacle cycling aide and is trusted throughout the professional peloton with the ability to collect display and compute a wealth of data at your fingertips during the ride and as soon as you finish this garmin edge 520 gps cycle computer will transcend your cycling season on the road compete and compareyou can test your functional threshold power ftp link up with a heart rate monitor hrm to get your cyclin