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.
http://old.kam-pod.gov.ua/user/w1vgshp230/
As among the flag bearers of Garmin, the Edge 520 is the most effective bicycle computers on the market out there specially for riders who definitely have a efficiency pushed mentality for using a pc.