Michelin Alpin 5 is a winter tyre made in total of 87 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/60 R17 is 30mm wider than the narrowest dimension (185) and 100mm narrower than the widest one (315). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (215mm), which results in 129mm sidewall height. In 215/60 R17, there is only one possible speed index for Michelin Alpin 5 - "H", which is good for speeds up to 210 km/h. In 215/60 R17, Alpin 5 usually competes against ALPIN 6, which is a tyre from Michelin with a rating of 74%, compared to 55% of the Michelin in question.