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://www.instapaper.com/read/1204152315

As one of the flag bearers of Garmin, the Edge 520 is the most effective bicycle pcs in existence on the market specially for riders who have a effectiveness driven mentality for working with a computer.