Pirelli CARRIER All Season is a allround tyre made in total of 22 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 20mm wider than the narrowest dimension (195) and 10mm narrower than the widest one (225). 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 Pirelli CARRIER All Season - "T", which is good for speeds up to 190 km/h. In 215/60 R17, CARRIER All Season usually competes against Duravis All Season, which is a tyre from Bridgestone with a rating of 41%, compared to 41% of the Pirelli in question.