Dunlop D401 160/70 R17

Dunlop D401 is a winter tyre made in total of 13 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 160/70 R17 is 30mm wider than the narrowest dimension (130) and -60mm narrower than the widest one (100). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (160mm), which results in 112mm sidewall height.