to the distance between the center of the tire measured looking forward from the center point between the front and back wheel on either side and the mounting point of the wheel to the hub. if the hub coincides with the center of the tire and wheel that is referred to as zero offset. the newer wheels place the tire closer to the car i believe.

are your wheels mercedes?

the previous poster believes that your wheels and tires are mounted too close to the outside of the fender and thus are hitting on dips. i believe that is what he said.

tom w

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.