Bridgestone Potenza RE050 245/50 R17

Bridgestone Potenza RE050 is a summer tyre made in total of 13 sizes, ranging from R13 to R13 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 245/50 R17 is 30mm wider than the narrowest dimension (215) and 10mm narrower than the widest one (255). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (245mm), which results in 122.5mm sidewall height.