245/40 R17 Kumho Ecsta Sport (PS72) variants
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Kumho Ecsta Sport (PS72) is a summer tyre made in total of 79 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 245/40 R17 is 40mm wider than the narrowest dimension (205) and 70mm narrower than the widest one (315). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In 245/40 R17, there is only one possible speed index for Kumho Ecsta Sport (PS72) - "Y", which is good for speeds up to 300 km/h. In 245/40 R17, Ecsta Sport (PS72) usually competes against Potenza Sport, which is a tyre from Bridgestone with a rating of 91%, compared to 90% of the Kumho in question.
Kumho Ecsta Sport (PS72) is made in 79 sizes, starting from 205/40 R17 up to 315/30 R21.
