Dunlop SP MAX Roadsmart II 160/70 R17

Dunlop SP MAX Roadsmart II is a winter tyre made in total of 13 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 160/70 R17 is 50mm wider than the narrowest dimension (110) and -40mm narrower than the widest one (120). 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.