To get max HR just ride as hard as you can until you die...then subtract 1. Or just ride for a few months and take the highest number you see.
Originally Posted by
BikeNube
Powermeters may be overrated if you don't use them properly, but I can say they are much much more accurate gauge of your effort then HR. I can drink a bottle of water or an energy drink and watch m heart rate drop 5 bpm per the same effort and speed.
this.