The Vuka Clip offers you the ultimate fit, security, and adjustability, allowing you to be faster and more efficient in your triathlon or time trial position, all at an affordable price. Newly redesigned to simplify setup and adjustment. The Vuka Clip is available with a mounting system above or below the handlebars to achieve an optimized aerodynamic position. It features a newly designed armrest that reduces pressure points and increases 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. Accessory type: Riser Kit for height adjustment of Vuka Alumina handlebar extensions. Intended use: Road cycling. Material: Aluminum. Size details: 25 mm height. Package includes: 2 pieces.