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Old 06-30-2017, 07:07 AM   #6
NLSP
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Drives: 2014 Ultramarine FR-S
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Quote:
Originally Posted by ZDan View Post
Tire weight affects rotational inertia a lot more than wheel weight. However, it's still only on the order of 1.5x non-rotating mass (i.e, save 4 lb on tire weight and acceleration is improved as if you saved 6 lb).

But other tire qualities might be more important to you..

Continental tires are very lightweight, but they are in general also poorly rated for steering responsiveness and cornering stability.

https://www.tirerack.com/tires/tests...y.jsp?ttid=190
Conti DW:
"What We'd Improve: More precise steering response and handling"

I've only had one set of Conti tires. They were lightweight for sure. But the sidewalls were limp and fun-to-driveness went right out the window...
Apparently, they resolved those issues with the recently released ExtremeContact Sport and it's supposed to be comparable to the Michelin PSS. I'll be trying them soon as my PSS are just about done.
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