Colnago a1 r 105 cyclocross bikegeared at the competitive cyclocross rider colnagos a1 r 105 cyclcross bike was designed to win races featuring colnagos racing geometry which has been developed through many years of working with the greatest champions of the discipline has resulted in many world cup and world championship victories the a1 r 105 has everything you need to compete reliable componentscolnagos a1 r 105 cyclocross bike comes with reliable components for smooth performance wh