Originally Posted by h. bicycletus

do you really want to carry a Kool Stop Tire Jack with you when you ride? If that's the only way you can change your tire when you have a flat on the road, I would strongly recommend different tires. I couldn't mount Conti 400's on the same rims that easily take Vredestein Fortezza Quatros- - -both 700c, same wheel that used to take Conti 3000's. . .some just won't mount and roadside flat repairs aren't fun when you can't get the tire off and back on. . .