Dunlop SPORTMAX GPR300 190/50 R17

Dunlop SPORTMAX GPR300 is a winter tyre made in total of 14 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 190/50 R17 is 60mm wider than the narrowest dimension (130) and -80mm narrower than the widest one (110). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (190mm), which results in 95mm sidewall height.