Lots More Information Prev Next Related Articles 5 Things to Look For in a New Tire5 Warning Signs You Need New TiresCar Smarts: TiresHow Tires WorkHow Q Tires WorkHow Self-inflating Tires WorkHow Self-regenerating Tire Tread Works How Tire Traction WorksHow the Tweel Airless Tire WorksWhat is an eLSD?Are some tires safer than others? Sources Knowles, Don. "Automotive Suspension & Steering Systems." Thomson Delmar Learning. 2007.TireSafety.com. (Aug. 10, 2010) http://www.tiresafety.com Up Next How Retractable-stud Snow Tires Work How to Recycle Tires What is the purpose of a tire sidewall? When you vulcanize a tire, what do you do to it? What are tire load ratings?