Continental ContiWinterContact TS 830P 295/30 R20

Continental ContiWinterContact TS 830P is a winter tyre made in total of 140 sizes, ranging from R13 to R13 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 295/30 R20 is 100mm wider than the narrowest dimension (195) and -40mm narrower than the widest one (255). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (295mm), which results in 88.5mm sidewall height.