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255/50R21 Tires

255/50R21 tires have a diameter of 31.0", a section width of 10.0", and a wheel diameter of 21". The circumference is 97.5" and the revolutions per mile are 670.
Specs may vary by manufacturer. learn more
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255/50R21 Tire Front
10.0"
31.0"
255/50R21 Tire Side
21 Inch Wheel
Circumference
97.5"
21"
5.0"
670 Revs/Mile
255/50R21
Diameter : 31.0"
Width : 10.0"
Wheel : 21"
Sidewall : 5.0"
Circum. : 97.5"
Revs/Mile : 670

Upsizing Wheels or Tires?

When searching for the perfect tire for your vehicle you need options. Click the "Alternate Sizes" button to see a list of similar tire sizes. You can then change the wheel size to see alternate sizes on a different diameter wheel.
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Select a Size to Compare Prices on Available Tires

Goodyear Tires
Goodyear Ultra Grip Performance 2 RunOnFlat 255/50R21
Ultra Grip Performance 2 RunOnFlat
Winter | 106H SL (RunFlat)
Avg. $208.27
 Performance 
Goodyear Tires
Goodyear Eagle NCT5 EMT 255/50R21
Eagle NCT5 EMT
Summer | 106W SL (RunFlat)
Avg. $650.00
 Grand Touring