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255/45 R20 Semperit Speed-Grip 3 variants
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Semperit Speed-Grip 3 is a winter tyre made in total of 49 sizes, ranging from R15 to R15 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 255/45 R20 is 70mm wider than the narrowest dimension (185) and -60mm narrower than the widest one (195). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (255mm), which results in 114.75mm sidewall height. In 255/45 R20, Speed-Grip 3 usually competes against Speed-Grip 5, which is a tyre from Semperit with a rating of 67%, compared to 73% of the Semperit in question.
Semperit Speed-Grip 3 is made in 49 sizes, starting from 185/55 R15 up to 195/55 R20.
