Laufenn Z Fit EQ LK03 225/40 R19

Laufenn Z Fit EQ LK03 is a tyre made in total of 44 sizes, ranging from R17 to R17 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 225/40 R19 is 20mm wider than the narrowest dimension (205) and 40mm narrower than the widest one (265). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (225mm), which results in 90mm sidewall height.