Originally Posted by
cyccommute
I have taken Physics 101 (and several more physics courses as well). I see nothing wrong with CheGiantForLife‘s point. If bike weight means nothing, why has significant effort be expended in reducing bike weight? If bicycle weight doesn’t matter why don’t pro racers ride 40 lb bicycles?
No one argues that weight means nothing. But, a heavier bike doesn't give you a harder workout
if the workout is based on effort/power, which most structured workouts are. You just go slower on the heavier bike.