- Tie bars - Four wide, straight tread grooves - Trapezoid edge center block - Specially designed tread kerf pattern - Folded belt edge tape design - Optimized long mileage compound - Noise reduction rib blocks - Optimized stiffness distribution design - Chamfered groove edge - For optimal performance in all season conditions - Impressive tread life - Ensures minimum vibration and noise for a quieter, more comfortable ride