Pirelli Scorpion Zero All Season 315/40R21 Tires

Pirelli Scorpion Zero All Season 315/40R21 XL 115Y is a high performance all-season tire priced from $729.97.

Pirelli Scorpion Zero All Season 315/40R21 XL 115Y Tire Specs

315/40R21 is a Metric tire.

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 315/40R21 tire is 315 millimeters.

40 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 315/40R21 tire, the sidewall height is 40% of its tread width.

R denotes that 315/40R21 tire has radial construction.

21 represents the wheel diameter in inches that the tire is designed to fit. 315/40R21 can be mounted on rims with 21 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.

115 indicates the load index. A tire with a load index of 115 can support a maximum load of 2679 pounds or 1215 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 Pirelli Scorpion Zero All Season 315/40R21 tire is 50 psi.

Uniform Tire Quality Grading System (UTQG) rating for Pirelli Scorpion Zero All Season 315/40R21 tire is 400 A A.

Tire manufacturer part number (MPN) is 2857400.