Pirelli St:01 245/70 R19

Pirelli St:01 is a summer tyre made in total of 7 sizes, ranging from R17 to R17 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 245/70 R19 is 30mm wider than the narrowest dimension (215) and 40mm narrower than the widest one (285). This tyre profile of 70 means the sidewall height of the tyre is 70% of the tyre width (245mm), which results in 171.5mm sidewall height.