Matador MP93 Nordicca is a winter tyre made in total of 89 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 235/45 R19 is 80mm wider than the narrowest dimension (155) and 40mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height. In 235/45 R19, there is only one possible speed index for Matador MP93 Nordicca - "V", which is good for speeds up to 240 km/h.