Nexen N blue HD plus 235/40 R19

Nexen N blue HD plus is a summer tyre made in total of 440 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 235/40 R19 is 90mm wider than the narrowest dimension (145) and 50mm narrower than the widest one (285). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (235mm), which results in 94mm sidewall height.