A maximal effort VO2 max test can be performed on a bicycle by climbing a 6% grade hill in the saddle, in the big chainring, for four minutes, aiming to be exhausted at the top.

“my I like to do it on my bike on a hill so take a take a hill that's going to be you know it's not too steep 6% grade you're in the saddle the whole time and you're in the Big Chain ring and it is go For Broke and make sure you're dead at the top four minutes of climbing and that produces a V2 Max”