Quote:
Originally Posted by Kodak
So rolling resistance does not have a linear relationship with pressure, but more of a diminishing return?
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That's right.
You can't keep cranking up the tyre pressure and hope to get big gains every time.
The biggest gain is when you increase tyre pressure from car manufacturer specifications (and in real life, often below) to say 10 psi above that value.
The results of doing so will be readily noticeable.