Nankang Winter Activa SV-55 275/40 R20

Nankang Winter Activa SV-55 is a winter tyre made in total of 53 sizes, ranging from R15 to R15 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/40 R20 is 80mm wider than the narrowest dimension (195) and 40mm narrower than the widest one (315). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (275mm), which results in 110mm sidewall height. In 275/40 R20, Winter Activa SV-55 usually competes against Wintrac Pro, which is a tyre from Vredestein with a rating of 63%, compared to 0% of the Nankang in question.