Nokian zLine is a summer tyre made in total of 45 sizes, ranging from R16 to R16 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 245/35 R19 is 40mm wider than the narrowest dimension (205) and 0mm narrower than the widest one (245). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (245mm), which results in 85.75mm sidewall height. In 245/35 R19, there is only one possible speed index for Nokian zLine - "Y", which is good for speeds up to 300 km/h. In 245/35 R19, zLine usually competes against Powerproof, which is a tyre from Nokian with a rating of 76%, compared to 42% of the Nokian in question.