Alan Guerciotti vintage racing bicycle. This is an official bike from the professional team GBC. From 1976 or 1977. Size: 56.5 cm. Center to center vertical. Center to center horizzontal. Bottom bracket shell thread: ITA. Weight: 9.68 kg circa. Group: Campagnolo Super Record first generation. Handlebar: 41.5 cm end-end. Used bicycle in good cosmetical condition, excellent for its age, some…