And for what its worth - I often ride solo so if I get a flat I have to change it myself. I find it easier to change the more supple tires, and I've always struggled with gatorskins -- even with the help of a tire bead jack or whatever they're called (a tool too big to carry with me while biking). So if I'm going to ride something like that, they better not go flat or I'm screwed on the road!