The Dynacargo Y208 FE tire is a SmartWay certified line haul steer tire for owner operators and large fleets of any type of tractor trailer. The tread pattern is made up of five circumferential ribs that are designed to resist irregular wear, and to give good grip and responsiveness to the driver's steering inputs. The tread rubber and shoulder decoupling group is specially designed for high mileage, long haul applications. At the same time, this tread rubber is SmartWay certified, exceeding SmartWay fuel efficiency standards. All Dynacargo tires are designed for long tread-life and strength, to help owner operators and fleet managers keep their trucks on the road, with as little downtime as possible, and at the lowest operating costs possible.