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thank you for the additional pictures.

fine job with the photos!

the Union pedals are from Germany so they are sure to be replacements. they are a model called K10491/U41 and a bit later than the cycle.

the backside of the Takagi crank arms should exhibit markings. these may include a date.

Takagi trade publication advert of 1971:




Three Arrows is the firms logo.

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