Vredestein Ultrac Satin is a summer tyre made in total of 69 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/65 R17 is 10mm wider than the narrowest dimension (205) and 20mm narrower than the widest one (235). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (215mm), which results in 139.75mm sidewall height. In 215/65 R17, there is only one possible speed index for Vredestein Ultrac Satin - "V", which is good for speeds up to 240 km/h. In 215/65 R17, Ultrac Satin usually competes against Turanza T005, which is a tyre from Bridgestone with a rating of 89%, compared to 48% of the Vredestein in question.