Michelin ALPIN 7 205/50 R19

Michelin ALPIN 7 is a winter tyre made in total of 64 sizes, ranging from R15 to R15 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 205/50 R19 is 20mm wider than the narrowest dimension (185) and -10mm narrower than the widest one (195). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (205mm), which results in 102.5mm sidewall height.