Viking Fourtech is a allround tyre made in total of 32 sizes, ranging from R13 to R13 - this particular dimension is R14, which means it fits to a 14 inch/355.6mm diameter wheel. This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (165mm), which results in 107.25mm sidewall height. In 165/65 R14, there is only one possible speed index for Viking Fourtech - "T", which is good for speeds up to 190 km/h. In 165/65 R14, Fourtech usually competes against N blue 4 Season, which is a tyre from Nexen with a rating of 45%, compared to 45% of the Viking in question.