Vredestein Quatrac 5 is a allround tyre made in total of 79 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/55 R17 is 60mm wider than the narrowest dimension (145) and 60mm narrower than the widest one (265). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (205mm), which results in 112.75mm sidewall height. In 205/55 R17, there is only one possible speed index for Vredestein Quatrac 5 - "V", which is good for speeds up to 240 km/h.
