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315/35R21 Tires

315/35R21 tires have a diameter of 29.7", a section width of 12.4", and a wheel diameter of 21". The circumference is 93.2" and they have 680 revolutions per mile.
Generally they are approved to be mounted on 10.5-12.5" wide wheels.
Specs may vary by manufacturer. learn more
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315/35R21 Tire Front
12.4"
29.7"
315/35R21 Tire Side
21 Inch Wheel
Circumference
93.2"
21"
4.3"
680 Revs/Mile
315/35R21
Diameter : 29.7"
Width : 12.4"
Wheel : 21" x 10.5-12.5"
Sidewall : 4.3"
Circum. : 93.2"
Revs/Mile : 680

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

Pirelli Tires
Pirelli P Zero 315/35R21
P Zero
Summer | 111Y XL
Avg. $470.00
 Supreme Performance 
Pirelli Tires
Pirelli Scorpion Verde All Season 315/35R21
Scorpion Verde All Season
Truck/SUV All Season | 111V XL
Avg. $601.00
 Touring