Infinity Ecozen is a winter tyre made in total of 18 sizes, ranging from R14 to R14 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/40 R18 is 70mm wider than the narrowest dimension (155) and 20mm narrower than the widest one (245). 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, Ecozen usually competes against
G-FORCE WINTER 2, which is a tyre from
BFGoodrich with a rating of 81%, compared to 7% of the
Infinity in question.
