Giti Synergy E1 is a summer tyre made in total of 19 sizes, ranging from R14 to R14 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/50 R19 is 70mm wider than the narrowest dimension (185) and -30mm narrower than the widest one (225). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (255mm), which results in 127.5mm sidewall height. In 255/50 R19, Synergy E1 usually competes against Bravuris 5 HM, which is a tyre from Barum with a rating of 39%, compared to 0% of the Giti in question.