Royal Black Royal Eco 225/55 R19

Royal Black Royal Eco is a tyre made in total of 8 sizes, ranging from R14 to R14 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 225/55 R19 is 50mm wider than the narrowest dimension (175) and 0mm narrower than the widest one (225). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (225mm), which results in 123.75mm sidewall height.