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.
What Is Tire Bead Seat Diameter? Sizing Guide
How does Tire Bead Seat Diameter determine tire fit and safety—learn the sizing essentials to avoid blowoffs and poor handling.
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How Tall Is a 265 70R17 Tire? Exact Height, Width & Dimensions
Discover the exact height, width, and dimensions of a 265/70R17 tire, and why it’s closer to 32 inches than many expect.
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How Tall Is a 275 70 R18 Tire? Exact Height, Width & Dimensions
With exact 275/70R18 dimensions revealed, will it fit your vehicle—and what changes in clearance, speed, and ride should you expect?
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Self-Sealing Tubes vs Regular Tubes: 2026 Guide
Mitigate roadside flats with sealant tubes or choose patchable regulars—discover which saves you time, weight, and hassle in real-world tests.
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How to Pump Up a Tubeless Tire: Tips for Getting a Solid Seal
Join the essentials of pumping up a tubeless tire and discover the simple tricks that help it seal perfectly, even when it won’t cooperate.
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How Tall Is a 245 75R16 Tire? Exact Height, Width & Dimensions
Get the exact height, width, and dimensions of a 245/75R16 tire—and discover the one measurement that could change everything.
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What Are the Little Hairs on a New Tire? Spews Explained
Go beyond the weird little hairs on new tires and discover what they are, why they appear, and whether they really matter.
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Tire Aspect Ratio Explained: What the Number Means
Get clear on tire aspect ratios—what the numbers mean for size, ride, and performance, and why one small digit can change everything.
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Butyl Rubber Tube: Properties, Uses & Selection Guide
Uncover why butyl rubber tubes offer unmatched gas-barrier performance, resilience, and chemical resistance—discover their key properties and top applications inside.
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305 Tire Size Explained: How Big Is It?
I explain how big a 305 tire really is—and why the exact fit can surprise you.
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