Continental ContiWinterContact TS 830P 285/30 R19

Continental ContiWinterContact TS 830P is a winter tyre made in total of 140 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 285/30 R19 is 90mm wider than the narrowest dimension (195) and -30mm narrower than the widest one (255). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (285mm), which results in 85.5mm sidewall height.