Campagnolo was founded in Vicenza in 1933 by Commendatore Tullio Campagnolo. The company soon expanded, focusing on the three fundamental concepts that would also characterise its future - performance, technological innovation, and quality of products and services. 75 Years have passed and Campagnolo continues to create products for the extremely high standards of professionals, raising the quality, technology and design levels every year. With Campagnolo's new 11speed system you will have a choice of speeds that will make your bike even more versatile. Shifting efficiency and precision, fluidity and smoothness also improve ... for better and better performance and even lower weight. The new Campagnolo Chorus 11 speed Chain is quieter than ever. The new 5.5mm thickness has been combined with new materials and a special anti-friction treatment which permits outstanding fluidity.