225/45 R18 Dunlop SP Sport 01 variants
Dunlop SP Sport 01 is a summer tyre made in total of 64 sizes, ranging from R15 to R15 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 225/45 R18 is 40mm wider than the narrowest dimension (185) and 40mm narrower than the widest one (265). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (225mm), which results in 101.25mm sidewall height. In 225/45 R18, there is only one possible speed index for Dunlop SP Sport 01 - "W", which is good for speeds up to 270 km/h.
225/45 R18 91 W
225/45 R18 95 W
Dunlop SP Sport 01 is made in 64 sizes, starting from 185/60 R15 up to 265/45 R21.
