Goodyear UltraGrip 265/65 R17

Goodyear UltraGrip is a winter tyre made in total of 12 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 265/65 R17 is 30mm wider than the narrowest dimension (235) and -10mm narrower than the widest one (255). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (265mm), which results in 172.25mm sidewall height.