What happens if you have mis-matched wheel sizes?
I realize that the 18's use lower profile tires and so the rolling diameter is fairly close between 17's and 18's. Still wondering if it would be a problem to run the spare.
All of this was prompted by some a$$hole who decided to put a glass bottle underneat my rear tire so I would break it when I pulled away. I didn't get a flat, but I was wondering "what if".



