Kumho WinterCraft WP51 215/50 R17

Kumho WinterCraft WP51 is a winter tyre made in total of 71 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/50 R17 is 70mm wider than the narrowest dimension (145) and 10mm narrower than the widest one (225). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (215mm), which results in 107.5mm sidewall height.