Kumho EcowinG ES01 KH27 is a summer tyre made in total of 68 sizes, ranging from R14 to R14 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 185/55 R15 is 30mm wider than the narrowest dimension (155) and 50mm narrower than the widest one (235). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (185mm), which results in 101.75mm sidewall height. In 185/55 R15, there are 2 possible speed indexes for Kumho EcowinG ES01 KH27 - "H","V", which are good for speeds up to 210, 240 km/h. In 185/55 R15, EcowinG ES01 KH27 usually competes against Sincera SN110, which is a tyre from Falken with a rating of 41%, compared to 0% of the Kumho in question.