Atturo AZ850 DR 315/30R20 Tires

Atturo AZ850 DR 315/30R20 XL 104Y is a track and competition tire priced from $399.00.

Atturo AZ850 DR 315/30R20 XL 104Y Tire Specs

315/30R20 is a Metric tire. It also comes in a P-Metric (P315/30R20) variant

Let us decode each aspect of the tire size code to have a full understanding what this tire size means.

315 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 315/30R20 tire is 315 millimeters.

30 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 315/30R20 tire, the sidewall height is 30% of its tread width.

R denotes that 315/30R20 tire has radial construction.

20 represents the wheel diameter in inches that the tire is designed to fit. 315/30R20 can be mounted on rims with 20 inches in diameter.

XL denotes the load range of a tire. XL stands for Extra Load. Tires with this designation are constructed to carry more weight than standard load tires of the same size. This is achieved by reinforcing the tire's construction, often through additional or stronger layers known as plies.

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 Atturo AZ850 DR 315/30R20 tire is 50 psi.

Uniform Tire Quality Grading System (UTQG) rating for Atturo AZ850 DR 315/30R20 tire is 100 A A.

Tire manufacturer part number (MPN) is DR850-D3KN0ATA.

Atturo AZ850 DR
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315/30R20 Dimensions Chart

Atturo AZ850 DR 315/30R20 tire has a diameter of 27.5", a width of 12.4", mounts on a 20" rim, and makes 733 revolutions per mile.

Metric Inches
Tire Width 315 mm 12.4"
Aspect Ratio 30%
Rim Diameter 508 mm 20"
Tire Diameter 698 mm 27.5"
Sidewall Height 95 mm 3.7"
Circumference 2192 mm 86.4"
Revolutions 456 per km 733 per mile

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