Continental ContiWinterContact TS 830P SUV 255/50 R19

Continental ContiWinterContact TS 830P SUV is a winter tyre made in total of 26 sizes, ranging from R17 to R17 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/50 R19 is 30mm wider than the narrowest dimension (225) and 50mm narrower than the widest one (305). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (255mm), which results in 127.5mm sidewall height.