Nexen N Blue 4 Season 2 is a allround tyre made in total of 158 sizes, ranging from R14 to R14 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 275/30 R20 is 120mm wider than the narrowest dimension (155) and -20mm narrower than the widest one (255). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (275mm), which results in 82.5mm sidewall height. In
275/30 R20, N Blue 4 Season 2 usually competes against
Quatrac Pro+, which is a tyre from
Vredestein with a rating of 60%, compared to 60% of the
Nexen in question.