9123 E Southern Ave
Mesa, AZ 85209
(602) 346-9210 View Location
Mobile Tire Store
Daphne, AL 36526
251-415-5500 View Location
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HOW TO READ TIRE INFORMATION

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Before you replace the tires on your car, you need to at least know the size and speed rating of the tires. Fortunately this information is embossed on the side of tires, and below we show you how to read these details. Once you have this information, have a look at the tires we stock, to find your new set of tires.

P205/60R15 91H

The tire information may start with a letter or two, which identifies the type of vehicle suited to the tire. The letter ‘P’ means our example tire is suitable for a passenger car. If the tire information does not start with letters, it is probably not a car tire.

P205/60R15 91H

The first number indicates the width of the tire. Generally the measurement is shown in millimeters, though four-wheel drive tires sometimes show width in inches. Our example tire has a width of 205 millimeters.

P205/60R15 91H

The second number indicates the height of the tire as a percentage of its width. (This value is often referred to as the ‘aspect’ of the tire.) Our example tire has an aspect of 60, which means the tire’s height is equal to 60% of its width.

P205/60R15 91H

The letter after the height value indicates the construction used within the tire’s casing. Our example tire uses radial (‘R’) construction, while other tires may use belted bias (‘B’) or diagonal bias (‘D’) construction.

P205/60R15 91H

The number after the construction value shows the diameter of the wheel rim suited to the tire. Generally the measurement is shown in inches. Our tire is suited to a 15-inch rim.

P205/60R15 91H

The first number after the tire size is the load index of the tire. By referring to a separate load-index chart, the index value allows us to determine the how much weight the tire can support.

P205/60R15 91H

The final letter provides the speed rating of the tire, which is the maximum speed the tire has been designed to handle. The table below shows the some common speed rating values, where we see that our example tire is designed to handle a maximum speed of 130mph.

Speed
Symbol
Speed
(mph)
Speed
(km/h)
P 94 150
Q 100 160
R 106 170
S 112 180
T 118 190
U 124 200
H 130 210
V 149 240
W 168 270
Y 186 300
Z 186+ 300+
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Contact Us

Phone: (602) 346-9210
Fax:
Address: 9123 E Southern Ave.
Mesa, AZ 85209
Phone: (251) 415-5500
Fax:
Address: Mobile Tire Store
Daphne, AL 36526

Contact Us

Phone: (602) 346-9210
Fax:
Address: 9123 E Southern Ave.
Mesa, AZ 85209
Phone: (251) 415-5500
Fax:
Address: Mobile Tire Store
Daphne, AL 36526
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2U Tire proudly serves the local Mesa, Phoenix, and Scottsdale, AZ. We understand that buying new tires can be overwhelming. Let us help you choose from our large selection of tires. We feature tires that fit your needs and budget from top quality brands, such as Michelin®, BFGoodrich®, Uniroyal®, and more. We pride ourselves on being your number one choice for any auto repair. Let us earn your business. Schedule an appointment today.
2U Tire also services Daphne, Mobile, and Fairhope, AL. Purchasing new tires can be a bit of a hassle, but our friendly and knowleadgable staff are here to help. We offer a wide variety of quality brands to choose from and we'll help you find the right fit for you. Even better - we'll bring the tire store to you. Call Us today and see why we are your local go-to tire and service shop.