Laufenn i*Fit + LW31 175/65 R15

Laufenn i*Fit + LW31 is a winter tyre made in total of 112 sizes, ranging from R13 to R13 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 175/65 R15 is 30mm wider than the narrowest dimension (145) and 80mm narrower than the widest one (255). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (175mm), which results in 113.75mm sidewall height.