Browse best 255/50R21 tires with 1 tire model available from $380.21.

Select Tire Type Ultra High Performance Summer

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Best 255/50R21 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.

Continental ContiSportContact 5

(4.7) from $380.21

255/50R21 Tire Size Fitment

2 vehicles are equipped with 255/50R21 tires as original equipment. Select vehicle model to find best tires that fit.

255/50R21 Tire Size Specifications

255/50R21 is a Metric tire with a section or tread width of 10 inches, wheel diameter of 21 inches, and overall diameter of 31.1 inches. 255/50R21 tire has a circumference of 97.7 inches, making 649 revolutions per mile.

10"

31.1"

97.7"

21"

5"

649 Revs/Mile

Overall Diameter: 31.1"

Tread Width: 10"

Wheel Diameter: 21"

Sidewall Height: 5"

Circumference: 97.7"

Revolutions per Mile: 649

255/50R21 Tire Size Conversion

255/50R21 in inches is equivalent to 31.1x10R21.

Replacement Sizes for 255/50R21 Tires

255/50R21 tire can be replaced with 22 compatible tire sizes. Select optional plus size to see available tire models.