Originally Posted by
aclinjury
I see you points. But your scenario only mainly comes into significance if 1) you're riding steady-state, 2) on the flat, 3) without much wind, 4) without much cornering, 5) your front and rear weight distribution is 50/50 ratio.
In real world situation, things are not this ideal to allow you to realize the rolling-resistance superiority of the GP5000.
Rolling resistance doesn't go away in those situations. Better rolling tires are still better rolling in various situations; drafting, sprintng, up a climb, down, headwind, tailwind, etc.