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Old 11-22-2011, 07:18 AM   #17 (permalink)
CapriRacer
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Quote:
Originally Posted by F8L View Post
Construction materials would be my first guess. Higher silica content, orange peel oil or what have you. Load is not the only factor that determines RR.
As a matter of fact, load rating is a minor player compared to the differences in tread compound - which, of course, varies considerably from tire to tire.
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