Bridgestone Blizzak LM-25 225/45 R19

Bridgestone Blizzak LM-25 is a winter tyre made in total of 20 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 225/45 R19 is 20mm wider than the narrowest dimension (205) and 60mm narrower than the widest one (285). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (225mm), which results in 101.25mm sidewall height.