Michelin Pilot Sport Cup 2 325/30R21 Tires
Michelin Pilot Sport Cup 2 325/30R21 SL 104Y is a track and competition tire priced from $615.02.
Michelin Pilot Sport Cup 2 325/30R21 SL 104Y Tire Specs
325/30R21 is a Metric tire.
Let us decode each aspect of the tire size code to have a full understanding what this tire size means.
325 is a section width of the tire from one sidewall to the other. Tire tread width is typically a bit narrower than the section width. Section width of 325/30R21 tire is 325 millimeters.
30 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 325/30R21 tire, the sidewall height is 30% of its tread width.
R denotes that 325/30R21 tire has radial construction.
21 represents the wheel diameter in inches that the tire is designed to fit. 325/30R21 can be mounted on rims with 21 inches in diameter.
SL denotes the load range of a tire. Standard Load or SL tires are typically found on passenger cars, smaller SUVs, and light trucks. These tires are designed to operate at standard inflation pressures and are not meant for carrying heavy loads.
104 indicates the load index. A tire with a load index of 104 can support a maximum load of 1984 pounds or 900 kilograms per tire.
Y indicates the speed rating. A tire with a speed rating of Y is approved for speeds up to 186 miles per hour or 299 kilometers per hour under optimal conditions.
Maximum inflation for Michelin Pilot Sport Cup 2 325/30R21 tire is 51 psi.
Uniform Tire Quality Grading System (UTQG) rating for Michelin Pilot Sport Cup 2 325/30R21 tire is 180 AA A.
Tire manufacturer part number (MPN) is 97351.

325/30R21 Dimensions Chart
Michelin Pilot Sport Cup 2 325/30R21 tire has a diameter of 28.7", a width of 12.8", mounts on a 21" rim, and makes 703 revolutions per mile.
Metric | Inches | |
---|---|---|
Tire Width | 325 mm | 12.8" |
Aspect Ratio | 30% | |
Rim Diameter | 533 mm | 21" |
Tire Diameter | 729 mm | 28.7" |
Sidewall Height | 98 mm | 3.9" |
Circumference | 2289 mm | 90.1" |
Revolutions | 437 per km | 703 per mile |
More 325/30R21 Tires
Here are the lowest priced tires availabe in 325/30R21 tire size.

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Continental ProContact RX 325/30R21
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Yokohama Advan Neova AD09 325/30R21
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Michelin Pilot Super Sport 325/30R21
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Bridgestone Potenza Sport 325/30R21
from $504.99
Michelin Pilot Sport 4S 325/30R21
from $537.99
Dunlop Sport Maxx Race 2 325/30R21
from $553.99Shop more 325/30R21 tires with tire finder.
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