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345/30R21 Tires

345/30R21 tires have a diameter of 29.1", a section width of 13.6", and a wheel diameter of 21". The circumference is 91.5" and they have 692 revolutions per mile.
Specs may vary by manufacturer. learn more
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345/30R21 Tire Front
13.6"
29.1"
345/30R21 Tire Side
21 Inch Wheel
Circumference
91.5"
21"
4.1"
692 Revs/Mile
345/30R21
Diameter : 29.1"
Width : 13.6"
Wheel : 21"
Sidewall : 4.1"
Circum. : 91.5"
Revs/Mile : 692

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

$70 REBATE
Bridgestone Tires
Bridgestone Blizzak LM005 345/30R21
Blizzak LM005
Winter | 111W XL
Avg. $637.00
 Performance  
$70 REBATE
Bridgestone Tires
Bridgestone Potenza Sport RFT 345/30R21
Potenza Sport RFT
Summer | 111Y XL (RunFlat)
Avg. $743.00
 Supreme Performance