Nexen Roadian 581 Key Features Drainage, Silence, Braking, Stalility. Technology Optimized Best Contour System (OBCS) High Tensile Steel Belts: Enhance braking function with optimized grip pressure and stress dispersion by OBCS technology. Optimized Carcass Contour System (OCCS) High Modulus Carcass: Minimizes tire deformation and helps maintain the tire's shape to enhance driving stability with OCCS technology. Enhanced drainage and hydroplaning performance on wet roads through applying a wide 4-chanell groove in the forward direction. Rigid Shoulder Block Design - Enhanced cornering and handling stability. Straight Center Rib - Helps directional driving stability at high speeds and excellent steering response. Enhanced braking performance by using multi-divided sipes and prevents abnormal wear and enhances tire grip through optimized sipe division.
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