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245/40R21 Tires

245/40R21 tires have a diameter of 28.7", a section width of 9.6", and a wheel diameter of 21". The circumference is 90.2" and they have 703 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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245/40R21 Tire Front
9.6"
28.7"
245/40R21 Tire Side
21 Inch Wheel
Circumference
90.2"
21"
3.9"
703 Revs/Mile
245/40R21
Diameter : 28.7"
Width : 9.6"
Wheel : 21" x 8-9.5"
Sidewall : 3.9"
Circum. : 90.2"
Revs/Mile : 703

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Michelin Tires
Michelin Primacy Tour A/S 245/40R21
Primacy Tour A/S
All Season | 100V XL
Avg. $302.00
 Grand Touring  
55K Miles
Bridgestone Tires
Bridgestone Alenza 001 RFT 245/40R21
Alenza 001 RFT
Truck/SUV Summer | 100Y XL (RunFlat)
Avg. $471.75
 Sport  
Michelin Tires
Michelin Pilot Super Sport ZP 245/40R21
Pilot Super Sport ZP
Summer | 96Y SL (RunFlat)
Avg. $529.00
 Supreme Performance  
30K Miles
Continental Tires
Continental WinterContact TS 860 S 245/40R21
WinterContact TS 860 S
Winter | 100V XL
Avg. $545.00
 Performance  
Pirelli Tires
Pirelli Winter Sottozero 3 Run Flat 245/40R21
Winter Sottozero 3 Run Flat
Winter | 100V XL (RunFlat)
Avg. $545.99
 Performance  
Pirelli Tires
Pirelli P Zero PZ4 245/40R21
P Zero PZ4
Summer | 100V XL
Avg. $568.00
 Supreme Performance  
Pirelli Tires
Pirelli P Zero PZ4 245/40R21
P Zero PZ4
Summer | 100W XL
Avg. $569.50
 Supreme Performance  
Michelin Tires
Michelin Pilot Sport 4S 245/40R21
Pilot Sport 4S
Summer | 100Y XL
Avg. $578.00
 Supreme Performance  
30K Miles
Michelin Tires
Michelin Pilot Sport S 5 245/40R21
Pilot Sport S 5
Summer | 96Y SL
Avg. $618.00
 Supreme Performance  
30K Miles
Dunlop Tires
Dunlop SP Sport Maxx 050 DSST 245/40R21
SP Sport Maxx 050 DSST
Summer | 96Y SL (RunFlat)
Avg. $632.00
 Supreme Performance  
Pirelli Tires
Pirelli P Zero PZ4 Run Flat 245/40R21
P Zero PZ4 Run Flat
Summer | 100Y XL (RunFlat)
Avg. $667.00
 Supreme Performance  
Pirelli Tires
Pirelli P Zero PZ4 245/40R21
P Zero PZ4
Summer | 100Y XL
Avg. $667.00
 Supreme Performance