Product_description: ['7/8" external diameter to fit all standard sized clamps and controls. Exclusive aerospace aluminum 7010 T-6 alloy is precisely engineered for the best combination of strength and fatigue reduction. Shot-peened surface finish adds strength and gives a matte finish. If fitting bar ends, must use ones that are compatible with a 14mm inside diameter. Street Fighter bend is the only model that comes with a crossbrace and a pad installed. High-impact strength, lightweight and vibration absorbing. Anodized to protect against corrosion. NOTE: When fitting handlebars, make sure to file clamping area.'] (Page 1)