Originally Posted by
xlDooM
How much more efficient do you think that road bike is? I bet you that guy wouldn't slow down by more than 2mph if he swapped bikes with you, unless you were battling a 20mph+ headwind as well as the incline.
You say 2 mph as if that's small. It's a very big difference in my view. And it might be the margin of speed at which the fat guy passed.