NOS First Generation Shimano Dura-Ace #GA-200 Black edition chainring with 51 teeth and 130 BCD from the 1970s velocity 13-14-15-17-19-20-21

13-14-15-17-19-20-21

abgemessen sind es aber nur 49 cm)

New Old Stock (NOS) / New in Box (NIB) | See pictures

This tool is used to mill the inner sides of the steering tube as well as the top and bottom edge it also used in order to press in the lower and uppe rheadset bearing cup

Max chain wrap is 31 in A position

NOS First Generation Shimano Dura-Ace #GA-200 Black edition chainring with 51 teeth and 130 BCD from the 1970s velocity 13-14-15-17-19-20-21Weight Gewicht: 113 g Bolt circle diameter Lochkreisdurchmesser: 130 mm Teeth Zhne: 51 Condition Zustand: New old stock (NOS) with signs from storage, see pictures Neue alte Lagerware mit Lagerspuren, siehe Bilder Production period Produktionszeitraum: 1973 1978 Please note Bemerkung: