That double claim of larger diameter (for lower RR) and narrower width (for drag reduction) has come up before in our debates, but maybe without resolution. So it is great to see confirmation from a manufacturer. The i3 tires drew all of our attention. But the claim here, by Bridgestone of increased wet weather traction is new. Anyone believe that?
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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