Viking FourTech Plus is a allround tyre made in total of 24 sizes, ranging from R14 to R14 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 195/55 R16 is 20mm wider than the narrowest dimension (175) and 40mm narrower than the widest one (235). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (195mm), which results in 107.25mm sidewall height. In 195/55 R16, there is only one possible speed index for Viking FourTech Plus - "", which is good for speeds up to km/h. In 195/55 R16, FourTech Plus usually competes against , which is a tyre from with a rating of 0%, compared to 56% of the Viking in question.