Great-value and high-performing aluminum road bar. ITEM: RA-510DB6-8 ●Light road bars made from 6061 aluminum, which includes magnesium and silicone to increase strength for maximum energy efficiency, while reducing weight for faster cycling. ●‘Oversized’ 31.8mm diameter increases stiffness without adding weight. ●A choice of four sizes – 380, 400, 420 and 440mm – suit every size of rider and style of riding. ●70mm reach steers you into a comfortable, sustainable position. ●Drop is based proportionally on width: 380/400mm have a 124mm drop; 420/440mm have a 126mm drop. ●Half Moon Shape (HMS) bars is a multi-contact drop based on a round shape that’s open at the end, delivering an array of hand positions to match your style of riding. ●Weighs just 290g for the 420mm option. ●Cable Routing：External, grooved ●Color：Red/Gray