Dunlop Grandtrek At5 225/70 R17

Dunlop Grandtrek At5 is a summer tyre made in total of 15 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/70 R17 is 10mm wider than the narrowest dimension (215) and 60mm narrower than the widest one (285). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (225mm), which results in 157.5mm sidewall height.