Originally Posted by
krakhaus
I started out on a mountain bike with 1.25 slicks, and rode that for the first year. When I went to a road bike, which weren't cool back in 1995, I couldn't believe the amount of energy I was wasting on the fat tires.
1.25" isn't all
that wide. If the road bike was dramatically faster, it was probably mostly due to factors other than the tire width. Such as posture, or factors other than width in the tire's construction.