Dunlop Sportmax Roadsmart IV 190/60 R17

Dunlop Sportmax Roadsmart IV is a allround tyre made in total of 10 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 190/60 R17 is 50mm wider than the narrowest dimension (140) and -20mm narrower than the widest one (170). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (190mm), which results in 114mm sidewall height.