Auto | Under the Hood | Wheels

How do 30 pounds of air in your tires hold up two tons of car? What’s the technology behind the tire and how do wheels work? Learn it all in the Car Wheels and Tires Channel.

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What are uniform tire quality grading standards?

Tires are graded with a series of numbers and letters. Learn about uniform tire-quality grading standards in this article.


How do 30 pounds of air in your tires hold up 2 tons of car?

How do 30 pounds of air in your tires hold up 2 tons of car? See more »

How Tires Work

How Tires Work

Tires support quite a lot of weight. Take a look inside tires, from how they're made to what the numbers on tires mean and common tire problems you might run into. See more »

How Tire Pressure Gauges Work

How Tire Pressure Gauges Work

If you have a car, chances are you also have a tire-pressure gauge. Learn how this pen-sized device measures air pressure and why the little stick inside doesn't just fly right out the back! See more »