As one of the flag bearers of Garmin, the Edge 520 is one of the best bicycle computers out there in the market specially for riders who have a performance driven mindset for using a computer.

https://periodicos.ufpel.edu.br/ojs2/index.php/dissertatio/user/viewPublicProfile/142575

As one of the flag bearers of Garmin, the sting 520 is probably the greatest bicycle computers available on the market specifically for riders who have a functionality pushed way of thinking for using a pc.