Continental ContiContact TS 815 215/55 R17

Continental ContiContact TS 815 is a allround tyre made in total of 14 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/55 R17 is 10mm wider than the narrowest dimension (205) and 20mm narrower than the widest one (235). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (215mm), which results in 118.25mm sidewall height.