What Tire Speed Ratings Mean
Tire speed ratings measure heat tolerance and handling margin, not a speed you’re meant to reach.
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Why Spare Tires Fail Right When You Need Them
A spare tire loses air and ages on the same clock as your other tires — the difference is nobody checks it until it’s too late.
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How to Read Your Tire’s Sidewall Numbers
The size, load index, and speed rating on a tire’s sidewall decoded in plain terms, plus the date code that tells you how old it really is.
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