yeah, tire sizes are pretty messed, my high rollers on my fusion say it's a 2.1 inch tire on it, but in actuality it's closer to 1.95, a la mountain bike action's big tire comparo. my rockhopper's got 2.00 inch adrenalines on it and when stuck next to the high rollers, they're a full inch and maybe even an extra half taller than my fusion's wheel.

there's no standard for measuring tire sizes so right now it's all over the place. according to just the numbers, my high rollers are bigger than my adrenalines, although the adrenalines are at least an inch taller and a quarter inch wider... (=.=")