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Are Zr Tires Better Than R? [Solved]

Conclusion. ZR tires were historically known as “performance-rated tires” with a speed rating of more than 149 mph while the letter R on a tire represents both the fact that it is built with a radial construction in mind and the fact that it is speed rated for 106mph.

What Is A ZR Rated Tire?

“What Is A

What Is A Tire Speed Rating?

Exceeding your

What Does the Speed Rating Mean on Tires? | Discount Tire

So, what does the speed rating mean on