Uniroyal AllSeasonExpert 2 is a allround tyre made in total of 59 sizes, ranging from R13 to R13 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 215/45 R16 is 60mm wider than the narrowest dimension (155) and -20mm narrower than the widest one (195). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (215mm), which results in 96.75mm sidewall height. In 215/45 R16, there is only one possible speed index for Uniroyal AllSeasonExpert 2 - "V", which is good for speeds up to 240 km/h.