free extensible mounting holes: 2 (10mm) screw holes, Which can freely install mobile phone bracket / clock / spotlight / voltmeter and other external modifications without spending money to purchase the installation position, So that your vehicle is orderly CNC precision cutting,T6 aluminum alloy Integrated cutting and forming,Surface anodizing process,Higher precision products,More durable Structural design: the bottom semicircle can be removed freely to meet the installation requirements of more different vehicles Universal applicability: suitable for 7/8″- 1 1/8″ (22mm-28mm) motorcycle handlebars, Variable diameter handlebars, ATV, Dirt bick, Elliptical bottom mounting screw holes, Suitable for most vehicles to fix it Product Description Product Name: Motorcycle 22mm-28mm handlebar thickening codeProduct color: BlackProduct unit: 1 pairProduct material: aluminum alloyProduct weight: 390g / pairProduct size: 22mm handlebar with gasket, 28mm handlebar without gasket (top screw