Nokian WR Snowproof is a winter tyre made in total of 59 sizes, ranging from R14 to R14 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/55 R17 is 70mm wider than the narrowest dimension (165) and -20mm narrower than the widest one (215). 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 is only one possible speed index for Nokian WR Snowproof - "V", which is good for speeds up to 240 km/h. Latest test in 235/55 R17 was held by ADAC in 2020, where WR Snowproof received rating "Satisfactory" and finished on the 6. place. It was tested on a Ford Kuga.