Dunlop Grandtrek ST30 is a summer tyre made in total of 2 sizes, ranging from R18 to R18 - 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. In
225/60 R18, Grandtrek ST30 usually competes against
Roadhawk, which is a tyre from
Firestone with a rating of 52%, compared to 0% of the
Dunlop in question.
