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Speed Rating
Quick facts on tire quickness.
Speed rating is a handy system to indicate the range of speeds your tire is certified to safely handle under specific service conditions. This rating is indicated by a letter, A-Z, tacked onto the end of the tire's service description, as seen here:
| 205/60R15 91V | |
|---|---|
| 205 = Section Width in Millimeters | |
| 60 = Aspect Ratio | |
| R = Radial Construction | |
| 15 = Rim Diameter in Inches | |
| 91 = Load Index | (Service Description) |
| V = Speed Symbol | |
View the
Speed Rating Tables
Speed Rating Tables
Check out this chart to see the top speeds that correspond with each letter.
When tires have a maximum speed capability above 149 mph (240 km/h), a "ZR" may appear in the service description and if it can handle over 186 mph (300 km/h), it must. Here is an example:
| EXAMPLES | |
|---|---|
| Tire Designation | Maximum Speed |
| P275/40ZR17 93W | 270 km/h (168 mph) |
| P275/40ZR17 93Y | 300 km/h (186 mph) |
If you want more info on speed ratings and what they mean to you, contact us. We'll catch you up.
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