Continental Contact CST17 155/70 R17

Continental Contact CST17 is a summer tyre made in total of 14 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 155/70 R17 is 20mm wider than the narrowest dimension (135) and 10mm narrower than the widest one (165). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (155mm), which results in 108.5mm sidewall height.