Tire Size Meaning

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Tire Size Meaning
Related Categories: Speed Rating Letters | What Tire Numbers Mean | Recommended Tire Pressure | What Size Rim Will Fit My Tire | What Tires Will Fit My Car | Best All Season Suv Tires | Mixing Run Flat Tires | Spare Tire Replacement | Load Index | Directional Tire Rotation
  • Tire Speed Ratings

  • …letter at the end of your tire's size? It represents the tire speed ratings. (If you aren't sure what your tire size is, just check the sidewall.) For example, if your tire size is 225/50R16 89S, the letter "S" would represent your tire speed ratings. But what does it mean? Tire speed ratings tell you how…

  • Tire Sizing

  • tire is wide. This is NOT an acutal measurement and means NOTHING without the first number. I get a number of calls from guys telling me that they want some 60 series or 50 series tires. I can't help these guys if they don't know how tall a tire they need for their application. 195 x .70 = 136.5mm (meaning

  • What Does "ZR" Mean?

  • Tire sizes have letters in them, but they don't always have the same letters. You're probably familiar with the "P" or the "LT" that sometimes 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…




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