Best 305/30R21 Tires
Browse best 305/30R21 tires with 3 tire models available from $418.30.
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Best 305/30R21 Ultra High Performance Summer Tires
Ultra high performance summer tires are designed for agile handling on dry and wet roads with good ride quality and decent tread life.
4.6) from $433.014.5) from $490.994.4) from $418.30305/30R21 Tire Size Fitment
3 vehicles are equipped with 305/30R21 tires as original equipment. Select vehicle model to find best tires that fit.
305/30R21 Tire Size Specifications
305/30R21 is a Metric tire with a section or tread width of 12 inches, wheel diameter of 21 inches, and overall diameter of 28.2 inches. 305/30R21 tire has a circumference of 88.5 inches, making 716 revolutions per mile.
Overall Diameter: 28.2"
Tread Width: 12"
Wheel Diameter: 21"
Sidewall Height: 3.6"
Circumference: 88.5"
Revolutions per Mile: 716
305/30R21 Tire Size Conversion
305/30R21 in inches is equivalent to 28.2x12R21.
Replacement Sizes for 305/30R21 Tires
305/30R21 tire can be replaced with 27 compatible tire sizes. Select optional plus size to see available tire models.
