Roadmaster's RM180 (EM) is a long haul steer axle truck tire that features a low rolling resistance design, decoupling grooves for long, even wear, "evolving" grooves that change shape for traction as the tread wears down, and micro sipes at grooves' edges for wet traction.

Features & Benefits

• Designed for use on the steer axle of semi-trucks in long haul applications
• SmartWay verified thanks to a low rolling resistance design that enhances fuel efficiency
• Decoupling groove improves traction while also fending off uneven wear
• Micro sipes boost wet traction by creating additional biting edges
• Evolving grooves change shape for consistent traction as the tire wears down