[Handy Man]

Originally Posted by CSBM5

Ah, that makes sense now. You really can't compare unmounted tires since due to substantial differences in sidewall design, trying to measure section width, unmounted and uninflated, is pointless. You will find wide variation in unmounted section widths depending on the specific tire type...many years ago I was comparing unmounted Hoosier A6 versus BFG R1, for example, and made conclusions based on that, but they were completely invalid once I compared them mounted on the same wheel width and inflated.

Regards,
Chuck

What he said.