Tire Basics
Plain-English explanations of how tires work. Learn to read sidewall codes and tire sizes, understand load index, speed ratings, UTQG and DOT codes, and get to grips with radial vs bias, tubeless vs tube, P-metric vs LT-metric and run-flat construction.
How Does a Tire Gauge Work: Complete Guide, Tips & Expert Advice
Tire gauges reveal your PSI by sealing onto the valve stem, but the real accuracy tricks and expert tips might surprise you.
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How Does Tire Sizing Work? Decoding Every Number & Letter
Know what those tire numbers and letters really mean, and you’ll avoid costly fitment mistakes—until one crucial code changes everything.
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How to Find Tire Width From the Sidewall Numbers
Jot down the first three digits on your tire sidewall to reveal its width, and discover what the rest of the code is hiding.
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What Does 10 PR Mean on a Tire? Load, Speed & Rating Guide
I explain what 10 PR means on a tire, how it affects load and speed, and why the real answer may surprise you.
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What Does 225 Mean on a Tire? Load, Speed & Rating Guide
Overall, 225 means tire width, but load, speed, and rating details decide safe fit—keep reading to decode the full sidewall.
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What Does 235 Mean on a Tire? Load, Speed & Rating Guide
Uncover what 235 means on a tire, plus load and speed ratings—there’s one crucial fitment detail you won’t want to miss.
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What Does 265 Mean on a Tire? Load, Speed & Rating Guide
Decoding 265 on a tire reveals more than width—discover load, speed, and rating details before choosing the wrong fit.
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What Does 94H Mean on a Tire? Load, Speed & Rating Guide
Haven’t seen what 94H really means on a tire? Discover the load, speed, and safety details before choosing your next set.
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What Does DOT Mean on a Tire? Load, Speed & Rating Guide
How to decode DOT, load, speed, and rating marks on your tire—and why the hidden date code could change everything.
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What Does R17 Mean on a Tire? Load, Speed & Rating Guide
Puzzled by R17 on a tire? Discover what it means, plus load and speed ratings, before you choose the wrong fit.
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