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265/40 R21 Kumho Ecsta PS71 variants
Kumho Ecsta PS71 is a summer tyre made in total of 136 sizes, ranging from R16 to R16 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 265/40 R21 is 70mm wider than the narrowest dimension (195) and 20mm narrower than the widest one (285). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (265mm), which results in 106mm sidewall height. In 265/40 R21, there is only one possible speed index for Kumho Ecsta PS71 - "Y", which is good for speeds up to 300 km/h.
Kumho Ecsta PS71 is made in 136 sizes, starting from 195/55 R16 up to 285/35 R22.