Originally Posted by dddd

That 30mm seems really small for a Pasela 1-1/4" tire. Can I assume you're using narrow (19-20mm) rims? How about inflation pressure?

I always use a 22mm Mod58 rim for my 27" tire test-fits, and I got 32mm at 90psi after the inflated new tire had settled for an hour on a warm day.

30mm is still at least as wide as the 1-3/8" knobbies though, and wider than the 1-1/4" Aramdillos.