Nitto Ridge Grappler 305/55R20 Tires

Nitto Ridge Grappler 305/55R20 SL 116Q is an all-terrain tire priced from $443.00.

Nitto Ridge Grappler 305/55R20 SL 116Q Tire Specs

305/55R20 is a Metric tire. It also comes in a LT-Metric (LT305/55R20) and a P-Metric (P305/55R20) variant

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

305 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 305/55R20 tire is 305 millimeters.

55 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 305/55R20 tire, the sidewall height is 55% of its tread width.

R denotes that 305/55R20 tire has radial construction.

20 represents the wheel diameter in inches that the tire is designed to fit. 305/55R20 can be mounted on rims with 20 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.

116 indicates the load index. A tire with a load index of 116 can support a maximum load of 2756 pounds or 1250 kilograms per tire.

Q indicates the speed rating. A tire with a speed rating of Q is approved for speeds up to 99 miles per hour or 159 kilometers per hour under optimal conditions.

Maximum inflation for Nitto Ridge Grappler 305/55R20 tire is 44 psi.

Uniform Tire Quality Grading System (UTQG) rating for Nitto Ridge Grappler 305/55R20 tire is 500 A B.

Tire manufacturer part number (MPN) is 217860.

Nitto Ridge Grappler
Buy from $443.00

305/55R20 Dimensions Chart

Nitto Ridge Grappler 305/55R20 tire has a diameter of 33.2", a width of 12", mounts on a 20" rim, and makes 608 revolutions per mile.

Metric Inches
Tire Width 305 mm 12"
Aspect Ratio 55%
Rim Diameter 508 mm 20"
Tire Diameter 844 mm 33.2"
Sidewall Height 168 mm 6.6"
Circumference 2650 mm 104.2"
Revolutions 377 per km 608 per mile

More 305/55R20 Tires

Here are the lowest priced tires availabe in 305/55R20 tire size.

Shop more 305/55R20 tires with tire finder.

All listed guides, data and/or calculations are for informational purposes only. TireSizes.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.