Triangle EffeXWinter TW421 235/45 R19

Triangle EffeXWinter TW421 is a winter tyre made in total of 22 sizes, ranging from R13 to R13 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 235/45 R19 is 10mm wider than the narrowest dimension (225) and 40mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height.