305/30R21 Tires
305/30R21 tires have a diameter of 28.2", a section width of 12.0", and a wheel diameter of 21". The circumference is 88.6" and they have 715 revolutions per mile.
Generally they are approved to be mounted on 10.5-11.5" wide wheels.
Specs may vary by manufacturer. learn more
Generally they are approved to be mounted on 10.5-11.5" wide wheels.
Specs may vary by manufacturer. learn more
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12.0"
28.2"
88.6"
21"
3.6"
715 Revs/Mile
305/30R21
Diameter : 28.2"
Width : 12.0"
Wheel : 21" x 10.5-11.5"
Sidewall : 3.6"
Circum. : 88.6"
Revs/Mile : 715
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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Avg. $445.00
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