Vredestein Ultrac Satin 245/40 R17

Vredestein Ultrac Satin is a summer tyre made in total of 71 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 245/40 R17 is 40mm wider than the narrowest dimension (205) and -10mm narrower than the widest one (235). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height.