Feature 1Application: U bolt handlebar mount is suitable 12.736mm rails, can be mounted on bicycles, motorcycles, mountain bikes, electric scooters and other tubular objects of suitable size. 2Matching Use: U bolt ball head mount base can well work with other motorcycle mount accessories, to fix cell phone and sat nav device while driving, install action camera to record travel. 3Ball Socket Technology: U bolt ball head mount adapter makes use of excellent ball socket technology to provide nearly unlimited adjustability, bringing a better riding experience. 4Superior Materials: Main body is made of aluminum alloy for maximum durability and reliability in harsh environments. Ball head wrapped with rubber for great anti slip performance. 5High Performance: Heavy duty motorcycle U bolt base comes with 1in diameter ball head, and supplied with necessary accessories for easier and convenient installation.Item Type: U Bolt Handlebar MountMaterial: Aluminum alloy, rubberBall Size: Approx. 1in/25.4mmInstallation Range: Approx. 12.7-36mm/0.5-1.4inApplication: Bicycles, motorcycles, mountain bikes, electric scooters and other tubular objects of suitable size. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List2 x U Shaped Accessories2 x Nut2 x Gasket1 x Mat1 x Hook and Loop Fastener1 x Ball Head2 x Anti Skid Rubber