97y

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Related Categories: What Does Z Mean On The Tires | Zr Meaning | Zr Speed Rated | Michelin 245 40 18 | What Does Zr Mean | 245 40zr18 | Michelin Zr | 245 40 Zr 18 | What Does Lt Mean | Speed Rating Letters
  • What Does "ZR" Mean?

  • …listed as 245/40ZR18 and two versions listed as 245/40R18. If you look closer, you'll see that the 245/40ZR18 has a service description of 97Y, which means it is a Z-speed rated tire, but more specifically, it is a Y-speed rated tire. The same tire with a V or H speed rating will not show…


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