Vredestein Ultrac+ 235/50 R17

Vredestein Ultrac+ is a summer tyre made in total of 87 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/50 R17 is 60mm wider than the narrowest dimension (175) and -40mm narrower than the widest one (195). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (235mm), which results in 117.5mm sidewall height.