- variable pitch tread pattern - Advanced sound equipment was used to create A pattern that provides A quiet and Smooth highway ride. - shoulder & Lateral Z grooves - shoulder grooves are arranged in Alternating widths and lengths to clear mud and Maintain traction. Lateral Z grooves are set in A Zig-zag pattern to provide biting Edges for traction. - Dual sidewall - like All Grapplers, The Ridge Grappler features Two Bold sidewall designs. one side features A more traditional pattern while The other side features A New, Aggressive block design. - reinforced block foundation - adds rigidity to tread blocks to reduce flex. - stone ejectors - Protects The bottom of groove from stone drilling. - Staggered shoulder Lugs - provides traction in off-road environments. - Edges - The Alternating Tapered Edges and step block Edges both provide Additional biting Edges for more traction.