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255/45R21 Tires

255/45R21 tires have a diameter of 30.0", a section width of 10.0", and a wheel diameter of 21". The circumference is 94.3" and they have 672 revolutions per mile.
Generally they are approved to be mounted on 8-9.5" wide wheels.
Specs may vary by manufacturer. learn more
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255/45R21 Tire Front
10.0"
30.0"
255/45R21 Tire Side
21 Inch Wheel
Circumference
94.3"
21"
4.5"
672 Revs/Mile
255/45R21
Diameter : 30.0"
Width : 10.0"
Wheel : 21" x 8-9.5"
Sidewall : 4.5"
Circum. : 94.3"
Revs/Mile : 672

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Michelin Tires
Michelin Pilot Alpin 5 SUV 255/45R21
Pilot Alpin 5 SUV
Truck/SUV Winter | 106V XL
Avg. $321.00
 Performance  
30K Miles
Continental Tires
Continental WinterContact TS 860 S 255/45R21
WinterContact TS 860 S
Winter | 106V XL
Avg. $346.00
 Performance  
Goodyear Tires
Goodyear Eagle F1 SuperSport 255/45R21
Eagle F1 SuperSport
Summer | 106Y XL
Avg. $390.00
 Supreme Performance  
Michelin Tires
Michelin X-Ice Snow SUV 255/45R21
X-Ice Snow SUV
Truck/SUV Winter | 106H XL
Avg. $408.00
 Studless  
40K Miles
Bridgestone Tires
Bridgestone Turanza T005 255/45R21
Turanza T005
Summer | 106W XL
Avg. $411.00
 Grand Touring  
Pirelli Tires
Pirelli P Zero PZ4 255/45R21
P Zero PZ4
Summer | 106W XL
Avg. $414.00
 Supreme Performance  
Michelin Tires
Michelin Pilot Sport All Season 4 255/45R21
Pilot Sport All Season 4
All Season | 106V XL
Avg. $434.00
 Ultra High Performance  
45K Miles
Pirelli Tires
Pirelli Scorpion Winter 2 255/45R21
Scorpion Winter 2
Truck/SUV Winter | 106V XL
Avg. $434.00
 Performance  
Michelin Tires
Michelin Pilot Sport EV 255/45R21
Pilot Sport EV
Summer | 106Y XL
Avg. $452.00
 Supreme Performance  
20K Miles
Pirelli Tires
Pirelli P Zero PZ4 255/45R21
P Zero PZ4
Summer | 106Y XL
Avg. $499.00
 Supreme Performance  
Pirelli Tires
Pirelli Scorpion MS 255/45R21
Scorpion MS
All Season | 106V XL
Avg. $508.00
 Touring