BFGoodrich Trail Terrain T/A 225/60 R18

BFGoodrich Trail Terrain T/A is a winter tyre made in total of 49 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (225mm), which results in 135mm sidewall height.