Sidewall Height

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Sidewall Height
Related Categories: What Tires Will Fit My Car | Changing Aspect Ratio | Low Profile All Season | Rim Width Tire Size | Widest Tire For Rim | Custom Size | Size Calculator | Rim Width Chart | Tire Profile And Ride Comfort | T125

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  • Do Low Profile Tires Have a Harsh Ride?

  • Often times when moving to a larger diameter wheel, a car must use tires with a shorter sidewall height in order to keep the same overall diameter. This concept is called Plus Sizing. Take a look at one of my previous blog posts for additional information. The chart below displays the changes in…

  • Related Products: Low Profile All Season
  • Selecting tire sizes for custom cars.

  • …diameter) and a 275/40R17 rear (25.7 overall diameter). The 40 refers to the percentage of height to width. The sidewall is 40 percent of the width of the tire which is 275mm wide. 275 X .40 = 110mm tall sidewall while 45 percent of 245mm will be the same. We offer specs for most sizes on the specs…

  • Related Products: Custom Size
  • Tire Sizing

  • …= 5.37" sidewall Remember there are two sidewalls (top and bottom) and one 14" wheel separating them. 5.37 + 5.37 + 14 = 24.7" overall diameter 70% of a wider tire will be also taller. So when calling to order tires for a custom hot rod please know your height and width requrements.…

  • More on Plus Sizing

  • When creating a Plus Size fitment, the section width of the tire increases and the sidewall height decreases. The contact patch of the tire changes shape by becoming shorter and wider. While the shape changes, the size (area) of the contact patch remains relatively unchanged. * High aspect ratio =…

  • Get shorty ... or not

  • …where it can support the car at a static rest point but, when driven aggressively the sidewalls are so over worked they can not properly control the contact patch of the tire which allows for excessive sidewall roll-over, irregular wear, tread block and contact patch flex. These all rob the tires…

  • Smaller Wheels for Winter?

  • …speedometer and odometer to not be affected. When you have the same diameter tire, but a smaller diameter wheel, this gives the tire's sidewall more height, which helps absorb the impacts from the road and will help lessen the chance of flat tires and bent wheels. All wheels we list for an…

  • Plus 1 Plus 2 Equals What?

  • …traction control -- functioning normally. Plus 2, Plus 3, etc. - In each of these cases an additional inch of wheel is added while decreasing sidewall height on the tire. Vehicle design will limit the maximum wheel size. Proper plus sizing is important. Besides ensuring that a plus sized-package…


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