Sumitomo Wt200 235/45 R17

Sumitomo Wt200 is a tyre made in total of 39 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/45 R17 is 80mm wider than the narrowest dimension (155) and -10mm narrower than the widest one (225). 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.