Equivalent Tire Sizes

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Equivalent Tire Sizes
Related Categories: Tire Size Substitution | Changing Tire Sizes | Tire Psi Chart | Tire Size Interchange | 145r12 | Size Calculator | Tire Size Conversion Chart | Interchange | Changing Aspect Ratio | 165r15
  • Tire Size Conversion Chart

  • tires with Euro-metric or P-metric tires, look for the Euro-metric or P-metric size listed in the equivalent aspect ratio. For example, when replacing a FR78-14, you would look up the appropriate 75-series size, the 205/75R14. If replacing a FR70-14, you would look up the appropriate 70-series size,

  • Plus Size Wheels & Tires | Tire Rack

  • …from there. Plus Sizing supports the premise that it's important to maintain the same overall tire diameter whenever changing tires and wheel sizes to ensure sufficient ground clearance, appropriate driveline gearing and accurate speedometer readings. Large changes in overall tire diameter can alter…


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