Pirelli Cinturato P7 is a summer tyre made in total of 205 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 40mm wider than the narrowest dimension (195) and -40mm narrower than the widest one (195). 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 Pirelli Cinturato P7 - "W","Y", which are good for speeds up to 270, 300 km/h. Latest test in 235/55 R17 was held by ADAC in 2020, where Cinturato P7 received rating "Recommended" and finished on the 4. place. It was tested on a Ford Kuga.