225-45-r17

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…global tire specifications, it also provides the ability to calculate/estimate basic tire dimensions. Example size: 225/45R17 The first three numbers in a typical size (225/45R17) are the tire's indicated section width in millimeters, measured from sidewall to sidewall. If you are familiar with…

…Consider that a 225/45R17 91W Standard Load tire (with a 25-inch overall diameter) will roll about 835 times every mile. Although the number of tire revolutions per mile doesn't change significantly as speed climbs, the revolutions per second become daunting. While the 225/45R17 91W-sized tire rolls…

…tire ratio change and how the overall diameter, and therefore speedometer, for all intents and purposes stays the same. The example starts with a 225/45R17, and each step (or minus size) down in wheel diameter yields a taller tire sidewall to make up any difference lost in wheel diameter. This also…