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245/40 R18 Vredestein Ultrac Pro variants
Vredestein Ultrac Pro is a summer tyre made in total of 40 sizes, ranging from R18 to R18 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/40 R18 is 20mm wider than the narrowest dimension (225) and 110mm narrower than the widest one (355). 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 R18, there is only one possible speed index for Vredestein Ultrac Pro - "Y", which is good for speeds up to 300 km/h.
Vredestein Ultrac Pro is made in 40 sizes, starting from 225/40 R18 up to 355/25 R24.
