Originally Posted by Treefox

Q:
A cyclist leaves Des Moines travelling south at 18mph with a 13mph headwind on a pair of Zipp 404's and Campy Chorus. Two hours later, another cyclist leaves Carson City travelling east at 21mph with the same 13mph wind on a Xentis front wheel and Renn disc rear, Dura Ace bar ends on Syntace C2 aero bars, Ultegra drive train. Three hours after the first rider starts, the wind falls to 10mph. Which is better: Campy of Shimano?

A:
Whichever bike is painted red.