Headset: Shimano 600. -- cranks: Shimano 105 FC-1055 170mm. -- gear levers: (down tube bosses) Shimano 105 'light action 7-sp' SIS / friction. -- chainrings: Shimano Biopace SG 52 / 42. -- hub: Shimano Hyperglide CS-HG50 13 / 14 / 15 / 17 / 19 / 21 / 23.
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