Actually, you're pretty accurate if you compared measurment from
axle out, depends on tires too of course.
--- In
DSN_KLR650@yahoogroups.com, "sd_ware"
wrote:
>
> ...
> > The diameter of an 18 with a big rear tire is only inch and a
half
> > or so shorter than a 21 with a 3.00.
>
> Is really that much shorter ZRod? I thought it wasn't even an
inch?
> I'll have to go out an compare again. And they say memory is the
> second thing to go - Dan'g it!
>
> ...
> > It's been pretty fun offroad, but Man, these 8ply tires are way
> > HEAVY, least that's what I'm blamin for my crappy performance at
the
> > dragstrip this year!

> > Rod
>
> LOL!
>
>
> Doug
>