Vredestein Wintrac Xtreme S is a winter tyre made in total of 78 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height. In 215/50 R17, there is only one possible speed index for Vredestein Wintrac Xtreme S - "V", which is good for speeds up to 240 km/h. In 215/50 R17, Wintrac Xtreme S usually competes against Wintrac Pro, which is a tyre from Vredestein with a rating of 68%, compared to 0% of the Vredestein in question.