Goodride SA37 225/35 R18

Goodride SA37 is a summer tyre made in total of 80 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/35 R18 is 40mm wider than the narrowest dimension (185) and 60mm narrower than the widest one (285). 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.