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Old 12-09-2009, 04:03 PM   #14 (permalink)
Piwoslaw
aero guerrilla
 
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Join Date: Oct 2008
Location: Warsaw, Poland
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Svietlana II - '13 Peugeot 308SW e-HDI 6sp
90 day: 58.1 mpg (US)
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Quote:
Originally Posted by CapriRacer View Post
Sorry, but sidewall stiffness hardly enters the equation when it comes to RR.

RR is pretty much all about the tread compound - how much, what kind, how much deflection (basically inflation pressure). You just can't escape the Wear / Traction / RR triangle.

Barry's Tire Tech
Thanks for straightening that out for me

Quote:
Originally Posted by Old Tele man View Post
...that's *why* an older, well worn tire has a lower rr value than does an identical brand new tire.
I thought that was because an old tire is smooth, while a new one has a more "knobby" tread, like a mountain bike tire.
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Piwoslaw's Peugeot 307sw modding thread

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