Difference Between Bump Steer and Roll Steer
In a bump steer, both wheels rise together. In roll steer, one wheel rises as the other falls. Typically this produces "toe in" on one wheel, and "toe out" on the other, thus producing a steering effect.
Roll steer is usually measured in degrees of toe per degree of roll, but can also be measured in degrees of toe per metre of wheel travel.
Read more about this topic: Bump Steer
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