These summer tyres from Kumho comes with a width of 225 mm, profile of 45% and a diameter of 18". The speed index is Y (300 km/h), and is the maximum speed the tire may be exposed to.
From Tyres
Kumho Ecsta PS71 XRP (225/45 R18 91Y)
Demon Tweeks
Kumho Ecsta PS71 XRP Tyre - 225 45 18 91Y Run Flat
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