Sidewall Aspect Ratio

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Sidewall Aspect Ratio
Related Categories: Size Calculator | Winter Tire Width | Rim Width Tire Size | Tpms Winter Tires | Sidewall Height | Downsize Winter | Changing Wheel Size | Tire Width Calculator | 225-45-r17 | Actual Tire Size

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  • Plus 1 Plus 2 Equals What?

  • …decreasing the aspect ratio (second number in the size). The wheel size stays the same so you will not have to purchase new wheels. Plus 1 - Increase the section width while decreasing aspect ratio but also increase the wheel size by 1 inch. The result is approximately 1/2" less sidewall on the…

  • More on Plus Sizing

  • …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 = tall and narrow contact patch* Short aspect ratio = chort and wide…


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