Toyo Open Country AT+ 255/65 R17

Toyo Open Country AT+ is a summer tyre made in total of 55 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 255/65 R17 is 60mm wider than the narrowest dimension (195) and 40mm narrower than the widest one (295). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (255mm), which results in 165.75mm sidewall height.