Nordexx NS9000 is a summer tyre made in total of 30 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/45 R18 is 40mm wider than the narrowest dimension (195) and 20mm narrower than the widest one (255). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height. In
235/45 R18, NS9000 usually competes against
Premitra HP5, which is a tyre from
Maxxis with a rating of 52%, compared to 1% of the
Nordexx in question.