Tomason Sportrace is a summer tyre made in total of 133 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/55 R17 is 40mm wider than the narrowest dimension (195) and 40mm narrower than the widest one (275). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (235mm), which results in 129.25mm sidewall height. In
235/55 R17, Sportrace usually competes against
Intensa UHP 2, which is a tyre from
Sava with a rating of 65%, compared to 17% of the
Tomason in question.