Toyo Proxes CF2 SUV is a summer tyre made in total of 22 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/65 R18 is 30mm wider than the narrowest dimension (205) and -10mm narrower than the widest one (225). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (235mm), which results in 152.75mm sidewall height. In 235/65 R18, there is only one possible speed index for Toyo Proxes CF2 SUV - "H", which is good for speeds up to 210 km/h.