Colnago Mexico frame 52 cm (c-t) / 50.5 cm (c-c) Columbus 1970s donza Shimano 600 EX BR-6207

Shimano 600 EX BR-6207

Bottom bracket: italian 70 mm)

Campagnolo Triomphe #104026 | braze-on | 1980s

Shimano 105 #FD-1055 | braze-on | 1989

has a 144mm BCD which got introduced for the first time about 5 years later

Colnago Mexico frame 52 cm (c-t) / 50.5 cm (c-c) Columbus 1970s donza Shimano 600 EX BR-6207Sattelrohr seat tube: 52. 0 cm (Mitte Oberkante center top) Sattelrohr seat tube 50. 5 cm (Mitte Mitte center center) Oberrohr top tube: 52. 0 cm (Mitte Mitte center center) Steuerrohr head tube: 10. 1 cm Gabelschaft fork shaft: 14. 0 cm Einbaubreite vorne front spacing: 100 mm Einbaubreite hinten rear spacing: 126 mm Sattelsttze seat post: 27. 2 mm Innenlager bottom bracket: ITA (70 mm) Rohrsatz tubeset: Ausfallenden dropouts: Campagnolo Gewicht