Semperit Speed-Life 3 275/45 R20

Semperit Speed-Life 3 is a summer tyre made in total of 118 sizes, ranging from R15 to R15 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/45 R20 is 110mm wider than the narrowest dimension (165) and 20mm narrower than the widest one (295). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (275mm), which results in 123.75mm sidewall height. In 275/45 R20, Speed-Life 3 usually competes against Roadhawk, which is a tyre from Firestone with a rating of 60%, compared to 55% of the Semperit in question.