Originally Posted by
Tsuru
Is there a difference between a 175lb person pushing a 15lb bike up a mountain and a 165lb person pushing a 25lb bike up that same mountain with the same level of fitness (granted, there's no such thing as "the same level of fitness")?
Zero difference if they're both putting out the same power. Unfortunately, 'same level of fitness' is ambiguous and could be interepreted in any number of ways to come up with different results.