Continental ContiWinterContact TS 850P 225/35 R18

Continental ContiWinterContact TS 850P is a winter tyre made in total of 112 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/35 R18 is 20mm wider than the narrowest dimension (205) and 50mm narrower than the widest one (275). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (225mm), which results in 78.75mm sidewall height.