Michelin Pilot Alpin PA4 255/35 R21

Michelin Pilot Alpin PA4 is a winter tyre made in total of 116 sizes, ranging from R17 to R17 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 255/35 R21 is 30mm wider than the narrowest dimension (225) and 90mm narrower than the widest one (345). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (255mm), which results in 89.25mm sidewall height. In 255/35 R21, Pilot Alpin PA4 usually competes against Winter i*cept evo3 W330, which is a tyre from Hankook with a rating of 87%, compared to 0% of the Michelin in question.