In other words, when a tire’s tread depth is 2/32", it’s time to get new tires. It's time to buy your Goodyear snow tires! A tire with a "600" treadwear rating is forecasted to last twice as long as a tire with a "300" rating, and should accumulate three times the … Our controlled tread-life tests cut through the marketing mumbo-jumbo to tell you how many miles your tires will last before becoming worn out. They give the tire its ability to grip the road, accelerate, brake and corner — and even help maximize fuel economy. Tell us and other readers about your tires by adding a comment below. If you’re ever concerned about your tires for any reason, it’s always a good idea to have them inspected by a professional. For those who drive in the rain or want an earlier warning that replacement time is coming, use a quarter. With less surface area, the treads became shallower, allowing them to provide less traction. There are a couple of easy ways to do this. All Rights Reserved. Often referred to as a caterpillar track, tread is found on the tire of any automobile. Save my name, email, and website in this browser for the next time I comment. Vehicles…, …This is especially true of the treadwear rating. If you know how to read tire tread depth and condition, a wealth of information is right at your fingertips. You may also have to show receipts that verify you had the tires rotated at the prescribed intervals, usually every 5,000 miles, since they were new. The most common passenger and light truck tires feature 5-rib designs, where 5 tread ribs are separated by 4 circumferential grooves. A grade of 300 denotes a tire that will wear three times as well as a tire graded 100. The top of Lincoln’s head to the edge of a penny measures about 2/32″, the legal minimum in most states. 3010 Story Road W, Irving, TX 75038 Sales: 844.654.6230 | Support: 855.283.2296 |. Tires are considered worn out when the tire’s tread pattern has worn even with the indicator bars. All gauges should measure both in the 1/32" United States standard and in millimeters. Inboard Intermediate: the tread rib adjacent to the inboard shoulder. (See our tread-life mileage, and much more, in our tire Ratings.). If a tire pops, multiple drivers could be at risk. The best way to measure your tread depth is to stick the probe into the shallowest groove on the tire, press the shoulders of the probe flat against the tread and then read the result. Tire tread depth refers to the grooves between the main blocks on the contact surface of a tire. Lug: extra large, freestanding, independent lugs positioned around the tire’s circumference. Not necessarily.…, …pressures and using matched tires on all wheel positions necessary procedures to reduce strain on the vehicle's driveline. Though not always used off-road, motorcycles and mountain bikes are equipped with tire tread similar to that of a truck or all terrain vehicle. Distracted Driving Laws Across The Country: The Not-So United States, Chevrolet/GMC Truck Water Pump Replacement Overview. Three Michelin models met or exceeded their treadwear claim and also did well in our performance tests. Sipes essentially subdivide tread blocks into smaller elements to provide additional biting edges for foul-weather traction. Check out all the tools & equipment available on NAPA Online or trust one of our 17,000 NAPA AutoCare locations for routine maintenance and repairs. If the inboard tread grooves are deeper or shallower than the outboard tread grooves, this could indicate a suspension alignment problem. If you don’t have a tread depth gauge handy, some U.S. coins can be used to approximate wear on tires in the critical last 32nds of an inch of their remaining tread depth. Models that our test projects will fall short of their treadwear claim by 15,000 miles or more include the Continental TrueContact and PureContact (H, V), Sumitomo HTR Enhance L/X (T, H, V), Kumho Solus TA71 and TA11, Firestone Precision Touring, and Bridgestone Serenity Plus. Based on our testing, we found that most tires should live up to their mileage warranty claims. The tire industry standard for tread depth in the United States is measured in one thirty-second of an inch (1/32") increments (millimeters are used in countries observing metric standards). On the tire at right, “215” is the cross-section width in millimeters; 60 is the ratio of sidewall height to its width (60 percent); R indicates radial-ply construction; and 16 is the wheel rim’s diameter in inches. Like the Ultra Grip SUV tires above, these also feature the treadwear indicators for added convenience. This means that the tire manufacturers need to…, …tire, the Michelin Pilot Super Sport and its 300 indicated UTQG treadwear. The quantity, location and design of sipes are carefully engineered into a tire’s tread design to balance traction, handling and wear. Privacy note: We won't use your friend's e-mail for anything other than sending this message. Please note that, for those driving on winter tires, tread depth measurements follow a different set of replacement thresholds. At this point, new tires can be installed on the car, or the old tires can be improved through a process called retreading.