Quote:
Originally Posted by sean3
Coefficient of friction is determined by the tire compound, not the width. In perfect theory, a narrow tire and a wide tire would be the same because the contact patch is the same size. But what if the tire is so narrow that there can not physically be enough rubber on the ground for the contact patch to fill? Now you're loading the sidewalls and a wider tire would help.
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A narrow and wide tire would be the same how? You can have the same exact coefficient of friction but that doesn't mean the frictional force is the same. Someone already said it earlier, friction and traction are not the same.