Quote:
Originally Posted by freebeard
Why would the disk rub on the tire? they're moving together.
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The sidewall of the tire deflects on bumps and in turns, and maybe just plain old rotating as the contact patch continuously forms at the bottom from the weight of the car.
The car in the picture you posted will experience neither (read that salt is like driving on compacted snow - hence the massive down force required), but all street cars will.