Accelera Iota ST68 285/45R21 Tires

Accelera Iota ST68 285/45R21 SL 109W is a high performance all-season tire priced from $148.97.

Accelera Iota ST68 285/45R21 SL 109W Tire Specs

285/45R21 is a Metric tire used as an original equipment on a variety of popular crossovers and sport utility vehicles.

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

285 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 285/45R21 tire is 285 millimeters.

45 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 285/45R21 tire, the sidewall height is 45% of its tread width.

R denotes that 285/45R21 tire has radial construction.

21 represents the wheel diameter in inches that the tire is designed to fit. 285/45R21 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.

109 indicates the load index. A tire with a load index of 109 can support a maximum load of 2271 pounds or 1030 kilograms per tire.

W indicates the speed rating. A tire with a speed rating of W is approved for speeds up to 168 miles per hour or 270 kilometers per hour under optimal conditions.

Maximum inflation for Accelera Iota ST68 285/45R21 tire is 51 psi.

Uniform Tire Quality Grading System (UTQG) rating for Accelera Iota ST68 285/45R21 tire is 400 A A.

Tire manufacturer part number (MPN) is 1200037342.