Nokian Powerproof 2 is a summer tyre made in total of 91 sizes, ranging from R16 to R16 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 245/50 R19 is 40mm wider than the narrowest dimension (205) and 70mm narrower than the widest one (315). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (245mm), which results in 122.5mm sidewall height.
Summer
Summer
Summer
Summer