The Vuka Clip is designed to provide you with the ultimate fit, safety, and adjustability, allowing you to be faster and more efficient in your triathlon or time trial position, all at an affordable price. Newly redesigned for easier setup and adjustment, the Vuka Clip features a mounting system that can be positioned above or below the handlebars to achieve an optimized aerodynamic position. It also includes a large, newly designed armrest to reduce pressure points and enhance comfort. The Vuka Clip is manufactured with an industry-standard clamp diameter of 22.2 mm for maximum versatility, making it compatible with Vuka Alumina extensions, Vuka Carbon extensions, and most extensions on the market. Material: Aluminum. Size details: 50 mm height. Accessory type: Riser kit for height adjustment of Vuka Alumina handlebar extensions. Intended use: Road bike. Package includes: 2 pieces.