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Bridgestone Potenza Sport - 255/45R21

Potenza Sport 255/45R21 Tire Specs

Size Diameter Width Rim
Range
Measured
Rim
Tread
Depth
Load
Range
Max
Load
Max
psi
Max
Speed
Weight Sidewall
Letters
Revs/Mile
255/45R21
106Y XL BSW
300 AA A
30.2" 10" 8-9.5" 8.5" 8/32" Extra Load 2094 lbs 50 psi 186 mph 29 lbs Black 688 Show Specs

Potenza Sport
Summer - Supreme Performance
Size: 255/45R21
Where's the Price?
Available
(Last Checked 10/2/25)

The Bridgestone Potenza Sport is a supreme performance summer tire that gives your sports car upgraded wet acceleration and handling over older generation tires. It takes curves confidently with enhanced cornering and excellent stiffness for responsive steering at high speeds. The Potenza Sport was built to maximize the thrill and excitement each time you hit the track.

The 255/45R21 Bridgestone Potenza Sport has a diameter of 30.2", a width of 10", mounts on a 21" rim and has 688 revolutions per mile. It weighs 29 lbs, has a max load of 2094 lbs, a maximum air pressure of 50 psi, a tread depth of 8/32" and should be used on a rim width of 8-9.5".



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