Hankook Kinergy eco2 K435 is a summer tyre made in total of 83 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/50 R17 is 50mm wider than the narrowest dimension (155) and 10mm narrower than the widest one (215). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (205mm), which results in 102.5mm sidewall height. In 205/50 R17, Kinergy eco2 K435 usually competes against P1 Cinturato Verde, which is a tyre from Pirelli with a rating of 47%, compared to 48% of the Hankook in question.