Originally Posted by
smfrycruzr
I may be a bit confused, but I was under the impression that you can't just rotate a radial tire. Because of the rotation direction, you would have to unmount and remount the tire to move to wear pattern to the "now outside". Please tell me if I'm not correct in that the geometry of moving one wheel to the opposite side of a car doesn't change the "direction" of travel for the tread.

There are both, mine are the ones that can go in both directions. There is no arrow or indicator for one direction (unidirectional, see:
https://itstillruns.com/unidirection...s-5028593.html ). My other two vehicles have same size rims on all 4, and no 'one direction' tires on them either. IF you have the ones that are unidirectional (one direction only) then you can only go front to back on the same side IF you have changed the wheels (rims) to the same size. My 'wheels' are stock 18" F & 19" R, so mine go L-R, R-L (front) and L-R, R-L (rear) only.
.