Dunlop D407 200/55 R17

Dunlop D407 is a allround 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. 200/55 R17 is 20mm wider than the narrowest dimension (180) and 40mm narrower than the widest one (240). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (200mm), which results in 110mm sidewall height.