Petlas Snowmaster 2 185/55 R16

Petlas Snowmaster 2 is a winter tyre made in total of 30 sizes, ranging from R13 to R13 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 185/55 R16 is 30mm wider than the narrowest dimension (155) and 20mm narrower than the widest one (205). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (185mm), which results in 101.75mm sidewall height.