Cooper Zeon CS8 is a summer tyre made in total of 167 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/40 R17 is 20mm wider than the narrowest dimension (185) and 50mm narrower than the widest one (255). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (205mm), which results in 82mm sidewall height. In
205/40 R17, 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.