GoodYear Efficientgrip SUV is a summer tyre made in total of 122 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/55 R17 is 20mm wider than the narrowest dimension (215) and 50mm narrower than the widest one (285). 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, there are 2 possible speed indexes for GoodYear Efficientgrip SUV - "H","V", which are good for speeds up to 210, 240 km/h.
