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://slashdot.org/submission/9842600/as-one-of-the-flag-bearers-of-garmin-the-edge-520-is-one-of-the-best-bicycle-co

As on the list of flag bearers of Garmin, the sting 520 is the most effective bicycle computers in existence in the market specifically for riders who may have a efficiency driven mentality for utilizing a computer.