I had a Avon mounted on the rear years ago, i lifted the back tire off the ground with the lift and put a dial indicator on it, and it was out of round by almost a 1/2 inch, the dealer took it back, and when they put on the new tire i told them to check it for true or i wont be so friendly when i come back next time. Also just last summer had a new Non Motorcycle tire

installed and it was moving side to side, i guess i have seen it all.