Its a very rough rule, and has exceptions, but its generally works out. Compare continental gatorskins in 28c vs continental gp5000 in 28c. Gatorskins have mor

Its a very rough rule, and has exceptions, but its generally works out. Compare continental gatorskins in 28c vs continental gp5000 in 28c. Gatorskins have more casing to prevent puncture, so they are heavier, but that casing also takes away from the rolling efficiency.