> But uphill that's just completely different Yeah, if it gets steep enough, walking is less effort than cycling. But downhill is essentially free for cycling

> But uphill that's just completely different Yeah, if it gets steep enough, walking is less effort than cycling. But downhill is essentially free for cycling and definitely not free for walking. And of course if you introduce grass or other even thicker vegetatation, then the advantage of a pair of wheels diminishes further.