Roadmaster RM185, this reliable tire is optimized for steer axle applications and SmartWay verified, meaning it meets the highest environmental standards. The RM185 is built to last with a solid shoulder tread design and four-belt construction made from high tensile strength material. For companies looking for retreadability, long-term treadwear, and superior performance without compromising gas mileage requirements, the Roadmaster RM185 is an ideal choice.