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wrt dating -
the Huret fittings should be marked with a four digit date code. the first two numbers indicate the week of the year and the second two numbers the year:
the cycle's Weinmann 605 brake calipers will have a clockface type date code marked on the backside of the caliper arms:
the backside of the machine's Sakae Ringyo crank arms are marked with a date code:
Date of Manufacture of Bicycle Components can be used to date a bike: component dating
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