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235/40 R18 GT radial Sport Active 2 variants
GT radial Sport Active 2 is a summer tyre made in total of 20 sizes, ranging from R16 to R16 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 235/40 R18 is 40mm wider than the narrowest dimension (195) and 30mm narrower than the widest one (265). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (235mm), which results in 94mm sidewall height. In 235/40 R18, there is only one possible speed index for GT radial Sport Active 2 - "Y", which is good for speeds up to 300 km/h.
GT radial Sport Active 2 is made in 20 sizes, starting from 195/45 R16 up to 265/45 R20.
