Kumho Ecsta HS52 is a summer tyre made in total of 89 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 10mm wider than the narrowest dimension (175) and 60mm narrower than the widest one (245). 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 Ecsta HS52 - "H","V", which are good for speeds up to 210, 240 km/h. In 185/55 R15, Ecsta HS52 usually competes against ZIEX ZE310 ECORUN, which is a tyre from Falken with a rating of 72%, compared to 73% of the Kumho in question.
