ZETA rides dirt bikes. ZETA develops products for dirt bikes. They test, manufacture and supply high-quality products for dirt bike riders. Their product ideas come from their riding experience, from professional riders and from MX factory teams. You must not miss ZETA products for your ride! Designed for easy installation of over-sized bars (1-1/8") to stock rubber-mounted top clamp. Accepts 28.6 mm (1-1/8") handlebars with O.E.M. triple clamps. The one-piece top bar mount helps stabilize rubber-mounted bars. Made of CNC-machined A7009-T6 aluminum. Sold as a kit.