4 New American Roadstar Sport A/S Tires 225/40R18 92W SL BSW 225 40 18 2254018

  

The Closed slanted grooves can disturb the spread direction of noise to decrease noise. Closed slanted grooves also can provide stability during cornering. The Silent pitch and sequence design for optimization of pitch width and sequence effectively reduce the noise resonance, resulting in a quieter ride.