Tire what does the numbers mean




















If this string of numbers ends with "-S," it means the tire complies with European noise regulations. Buy Now. New Cars. Buyer's Guide. Type keyword s to search. Today's Top Stories. Future Cars Worth Waiting For: — Marc Urbano Car and Driver. Michelin Pilot Sport. Goodyear Eagle Sport. Continental Extremecontact. Bridgestone Potenza.

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Lower tire ratio, on the other hand, would mean that the car is of low-profile similar to high-performance cars. What does R mean on tires? Its tread is made stronger by the additional layers around it and it is the most common type of vehicle tires. Aside from the radial type construction on a tire, you may also find letter B or D instead of R.

B stands for bias-belted and D stands for diagonal bias construction. Bias-belted is similar to the original bias tire D construction. Bias tires have a series of tire plies, such as nylon or steel, under the tread to support the vehicle and keep its form when filled with air.

The plies offer internal support and are layered diagonally. It offers more support and a smoother ride. These tires are preferred by those who drive classic cars. It is also used in some light trucks like pickup trucks and SUVs. Here are some of the pros and cons of using radial tires:. After the letter R, a number that indicates the wheel size where it fits.

The common widths of tires, measured in inches, are: 8, 10, 12, 13, 14, 15, 17, 18, 19, 20, 22, 23, 24, 26, and These unique wheel diameters are usually used in some heavy-duty light trucks and trailers.

The sizes of the tires may come in Vehicle owners should always keep in mind that rim diameters with half-inch measurements should not be used with traditional inch rim tires and wheels. Keep in mind that tires and wheel diameters should always match. The remaining numbers in the tire combinations indicate the load and the speed rating of the tire. The markings 91V are the load index and the speed rating, or the service description.

The load index 91 is the assigned numerical value for the tire size to compare relative load carrying capabilities. The table below shows the load indexes of the tires that are commonly used in passenger cars and light trucks.

How to Put Air in Tires. Tread Depth. This tire is already added to your appointment. Go To Appointment.

You can only add one product to your appointment. Adding a new tire will remove the one that you already selected. Not all products fit every vehicle or tire size. Thanks for waiting while our wheels are turning Your location is beyond the Goodyear Mobile Install range Please enter a new location that is within the highlighted range on the map or choose to visit one of our stores instead.

Enter New Location. Visit store instead. No, Keep My Store. Go to JustTires. Stay on Goodyear Auto Service. Tire Finder How would you like to search? Vehicle Type. Tire Size. Trailer Tires. Tire Finder It looks like you've been here before.

Not all tires fit every vehicle or tire size. Continue Cancel. We're verifying your options…. Continue to Appointment. Installation options:.

Get FREE delivery, too. Shop now. Winter tires Winter wheels All about winter tires Get ready for winter The forecast calls for colder weather, with slick and icy streets. Are you ready? Shop now for best selection. Boat trailer tires Horse trailer tires Camper tires. Check it out. Get the right tires for your car or truck! Nitrogen vs. We investigated and have the answer sort of.

Original Equipment tires vs. Tire rotation patterns Find out exactly what your local tire professional is doing when they're putting new tires on your car. Speed rating and load index How fast can your tires go? How much weight can they carry? We'll show you how to find out. Tire glossary In an effort to demystify the world of tires, with its confusing terminology, technology, and "tirespeak," we present the TireBuyer Tire Glossary.

How tire inflation affects performance Tire pressure may seem like a little thing, but it really does have a significant effect on your vehicle's performance and safety. Email exclusives Sign up and be the first to hear about promotions and more.



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