Continental WinterContact TS 870 is a winter tyre made in total of 80 sizes, ranging from R14 to R14 - this particular dimension is R14, which means it fits to a 14 inch/355.6mm diameter wheel. 165/65 R14 is 10mm wider than the narrowest dimension (155) and -10mm narrower than the widest one (155). This tyre profile of 65 means the sidewall height of the tyre is 65% of the tyre width (165mm), which results in 107.25mm sidewall height. In 165/65 R14, there is only one possible speed index for Continental WinterContact TS 870 - "T", which is good for speeds up to 190 km/h. In 165/65 R14, WinterContact TS 870 usually competes against WinterContact TS 860, which is a tyre from Continental with a rating of %, compared to 98% of the Continental in question.