Cooper Zeon CS8 225/40 R18

Cooper Zeon CS8 is a summer tyre made in total of 167 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/40 R18 is 40mm wider than the narrowest dimension (185) and 30mm narrower than the widest one (255). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (225mm), which results in 90mm sidewall height. In 225/40 R18, Zeon CS8 usually competes against Bravuris 5 HM, which is a tyre from Barum with a rating of 44%, compared to 38% of the Cooper in question.