Kumho Ecsta HS51 is a summer tyre made in total of 98 sizes, ranging from R14 to R14 - this particular dimension is R16, which means it fits to a 16 inch/406.4mm diameter wheel. 215/40 R16 is 50mm wider than the narrowest dimension (165) and 20mm narrower than the widest one (235). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (215mm), which results in 86mm sidewall height.
Summer