NOS/NIB first generation Shimano Dura-Ace #GA-200 (GB-100) Black Drillum Crankset with 52/42 teeth and Bottom Bracket with english thread from 1977 fluted rear brake fixation screw is

rear brake fixation screw is not original

1988s - 90s

set is for usage on kids road bikes /

die VR Nabe etwas rau

Bottom bracket / Innenlager: 1

NOS/NIB first generation Shimano Dura-Ace #GA-200 (GB-100) Black Drillum Crankset with 52/42 teeth and Bottom Bracket with english thread from 1977 fluted rear brake fixation screw isNOS NIB first generation Shimano Dura Ace #GA 200 (GB 100) Black Drillum Crankset with 52 42 teeth and Bottom Bracket with english thread from 1977 Weight Gewicht : ca. 600 g (crankset Kurbel) ca. 240 g (bottom bracket Tretlager) Length Lnge : 170 mm Teeth Zhne : 52 42 Bolt circle diameter Lochkreisdurchmesser : 130 mm Pedal thread Pedalgewinde : 9 16" x 20 Tpi. (english italian standard) Bottom Bracket Innenlager : Marking Markierung: 68 W 112 Thread