Thread: What's the *Tread Wear Rating*?
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Old 10-14-2002, 05:59 PM
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AwwsChwA
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Default What's the *Tread Wear Rating*?
The 2002 Autocross Solo rulebook says that, for STS (and IS3), tires must have a "minimum tread wear rating of 140". What's a tread wear rating? How do I know which tires do and don't have it?
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