Sumitomo HTR Z5 is a summer tyre made in total of 30 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/55 R17 is 20mm wider than the narrowest dimension (205) and 50mm narrower than the widest one (275). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height. In
225/55 R17, HTR Z5 usually competes against
Ventus S1 evo3 K127, which is a tyre from
Hankook with a rating of 81%, compared to 38% of the
Sumitomo in question.
