Quarter Test

…traveling to, consider replacing tires when they reach approximately 4/32" of remaining tread depth. Use a quarter, not a penny, to measure tread depth. Tire Rack's team proved through testing that insufficient tread depth doubles your stopping distance. Adequate tread reduces hydroplaning and helps…

…on the third try. Done this way, the high spot on the tire has been tried at each quarter of the wheel. At one of those points, the tire should be good and round. At that point, rebalance the tire, and go for a test drive. If the vibration persists, the problem is either in the tire, or elsewhere in…

…* Test Results Review our exclusive tire test results. * Our "Inside Track" Catalog See the newest products and more. * Resources * Tech Articles Learn more about tires, driving and more. * Photo Gallery Enjoy customer-submitted shots and our own studio photos. * Video Center Watch test results…