Renthal 7/8 in. Handlebars Jimmy Button Bend Racer Bars World famous Renthal handlebars hane claimed more World Championships and US MX titles than all other handlebars combined Exclusive aerospace aluminum alloy is preciously engineered for the best combination of strength and fatigue reduction Oversize tube is machined down to 7/8in. to ensure a perfect diameter and prevent the handlebar from slipping in the clamps Shot peened surface finish to help prevent fatigue failure Laser etched positioning grid