World-famous Renthal handlebars have claimed more World Championships and U.S. MX titles than all other handlebars combined * Exclusive aerospace aluminum alloy is precisely engineered for the best combination of strength and fatigue reduction * Oversize tube is machined down to 7/8 to ensure a perfect diameter and prevent the handlebar from slipping in the clamps * Shot-peened finish for improved fatigue life * Laser-marked positioning grid