600AX uses EX bottom bracket
which usually means 1959-61
The exceptional result of the collaboration between two prestigious trademarks
Sattelrohr / seat tube: 59 cm (Mitte-Mitte / center-center)
Shimano 105 #RD-5500
Campagnolo Nuovo Record #1020/A #1052 #1014 #1044 #2040 #2030 #1034 #1037 group set from the 1970s 57-0 600AX uses EX bottom bracketCrankset Kurbelgarnitur : Campagnolo Nuovo Record #1049, 144mm BCD, 170mm, Shimano 42 53 tooth, 1977 Rear Derraileur Schaltwerk : Campagnolo Nuovo Record #1020 A, friction, 1977 Front Derailleur Umwerfer : Campagnolo Nuovo Record #1052, clamp on (28,6mm), 1970s Shifters Schalthebel : Campagnolo Nuovo Record #1014, friction, 1970s Brake levers Bremshebel : Campagnolo Nuovo Record #2030, 1970s Brake calipers Bremsen : Campagnolo Nuovo Record #2040,