205 45zr17

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205 45zr17
Related Categories: Civic Si | Mini Cooper Tires Size | Miata Run Flat | Closeout Tires | 91w | Winter Tire Speed Rating | Speed Rating Letters | Q Speed Rating | R Speed Rating | H Rating
  • Understanding Speed Ratings

  • Ever wonder what the letter in your tire size means? For example, the "Z" in 245/45ZR17 or the "H" in 205/55R16 89H. This letter is the speed rating of the tire. Tires are tested in laboratory conditions under load by tire manufacturers to determine the maximum speed capability…


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