What Does Zr Mean

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What Does Zr Mean
Related Categories: What Does Z Mean On The Tires | Zr Meaning | Michelin Zr | Zr Speed Rated | Michelin 245 40 18 | 93h | 245 40 Zr 18 | Y Speed Rating | Michelin Pilot Sport Zr | Speed Rating Letters
  • What Does "ZR" Mean?

  • …shows up at the beginning of the size, and the "R" right before the wheel size, for example P245/40R18 or LT315/70R17. But what does it mean when the tire says "P245/40ZR18"? For that, you need to know a little bit about speed ratings. Speed ratings on tires are expressed…

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