Originally Posted by
LesterOfPuppets
Rims on Pugsleys are 559mm, just like 26" MTB rims. If you want super fat tires with a similar total circumference to your 26x2.1" you'd probably have to go with 3.8" tires on 24" (507mm) rims, or something like that
I'd even be happy with 2.5-2.8's in something other than a 1200g 26 inch freeride/DH tire. Somebody ought to make a wider or deeper xc tire for rigid bikes that still get taken off road in anger.