Quote:
Originally Posted by Vman455
I'll save CapriRacer the trouble of pointing out that, all else being equal, a narrower tire has higher rolling resistance than a wider tire. However, all else is probably not equal, but the wider tire doesn't have higher rolling resistance because it's wider. More aerodynamic drag, though.
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Yup. I was thinking of CapriRacer, too. And I still suspect that the BMW i3's super-narrow & super-tall OEM tire/rim is a sign that some portion of the benefits of wider can be accomplished with larger diameter while avoiding the aero penalty of greater width. The i3 has what 19" wheels with like a 145 or 155 tire?