Should you pedal in circles or just push down on the pedals? Only one way to find out!



Clipless pedals are used by every professional road cyclist, yet, according to some, these pedals just aren't as efficient as flat pedals.



Apparently, you shouldn't pull up or the pedals or pedal in 'circles', rather you should just push down.



We're not so sure about this so we took self-proclaimed circular pedaler, Simon Richardson, to the treadmill to test his VO2 Max, blood lactate levels and heart rate with a set of clipless pedals and a set of flats.



The findings? You'll have to watch and find out.



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