The Hankook Smart Flex AH51 is a steering axle tyre delivering premium performance in all regional haul conditions during the whole tyre life. The Tread Wear Equalised Stepper (T.W.E.S.) are small step-shaped blocks providing even wearing and prevent stone trapping, resulting in a long tyre life. The Hankook Smart Flex AH51 features a 3-dimensional sipe to deliver excellent mileage and traction performance with reduced irregular wear which enhances fuel efficiency.