Originally Posted by Big Paulie

I've wondered about this for years. Why can't I maintain a high heart rate into the wind, but have no problem hanging at 85% with the wind? I think there is the fun factor, as you alluded to. But I also think that going with the wind there's less wind noise, and the bike is more stable because we're going faster over the ground. Plus you're covering more area. It's just more satisfying.