Tire Size Meaning

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Tire Size Meaning
Related Categories: Speed Rating Letters | What Does The Numbers Mean | 89s | What Tire Numbers Mean | Recommended Tire Pressure | What Tires Will Fit My Car | What Size Rim Will Fit My Tire | Bmw Spare Tire | Can I Change My Tire Size | Space Saver Spare Tire
  • Tire Speed Ratings

  • …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…

  • Tire Sizing

  • …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 the sidewall is…

  • One Size Bigger

  • Occasionally I get requests for tires that are “one size bigger.” To some drivers, bigger means wider, to others (usually 4WD truck owners) it means taller in overall diameter. Some cars and trucks can fit a larger tire in the wheel well than the Original Equipment…some cars…

  • Related Products: Taller Tires | Bigger Size Tire
  • Always check your tire size

  • …owner) mean that we cannot be 100% sure that the size the computer says is on your car is what you actually have installed on the car. It only takes a minute when you are entering or exiting the car to check what tire size is currently installed. If you have not looked closely at a tire before,…

  • Related Products: Changing Tire Sizes
  • Alternate Tire Size for Your Mazda CX-7

  • Alternate Tire Size for Your Mazda CX-7

    …17" wheel option equipped with a 215/70R17 tire. As we sometimes see, this is the only vehicle that uses this size. This of course means replacement options can be a challenge. When dealing with a tire size that fits just one vehicle, tire companies (other than the Original Equipment supplier)…

  • More on Plus Sizing

  • mean? The tread blocks with a taller, narrow profile have more deflection than tread blocks on a lower profile tire. Less deflection results in more cornering force and capability. This assumes all other things are equal, i.e same tread compound, design, etc. In summary, installing a Plus Size Tire

  • The Month of May means it's time for Indy

  • …time to introduce you to the all-new Firestone Firehawk Wide Oval Indy 500 tire. This tire is brand new for 2010 and combines Firestone's excellence in performance and style. An Ultra High Performance Summer tire, it is available in a whopping 40 different sizes for 15- thru 20-inch wheel diameters.

  • Cadillac Tires

  • …order tires for is the Cadillac SRX. It has either a 17- or 18-inch staggered tire size, meaning a different size front-to-rear. Many opt for a value-oriented Kumho tire. In the 17-inch sizes, the Kumho Solus KH16 is popular and in the 18-inch size it's the Kumho Ecsta STX KL12. Both tires are…

  • What Does "ZR" Mean?

  • What Does "ZR" Mean?

    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 in letters and are generally listed along with the load index for a tire after the size,

  • Performance catergories. What do they mean?

  • …Sometimes as high as 80K. Or consider the Grand Touring All-Season category. Similar to Standard Touring but with higher speed ratings and low profile designs for higher horsepower luxury cars. Not every tire that is listed in each category will be available in the size needed for your vehicle.

  • Related Products: Summer Tires In Rain



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