Gripmax Pro Winter 275/50 R19

Gripmax Pro Winter is a tyre made in total of 97 sizes, ranging from R16 to R16 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 275/50 R19 is 100mm wider than the narrowest dimension (175) and 50mm narrower than the widest one (325). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (275mm), which results in 137.5mm sidewall height.