The shape of modern cycling zero 100 handlebar performs rhm rapid hand movement concept the very same advantages of the new deda elementi presa handlebar manufactured in strong 7075 t6 triple butted alloy key features finish black drop 128mm reach 75mm clamp diameter 317mm routing external widths available 40 42 44 46cm outside to outside weight approx 242g manufacturer claimed deda handlebars state that they have a 317mm clamp diameter but the precis