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production life was long and there are variations

here is another -

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note pattern of lock nut

​​​​​​https://velobase.com/ViewComponent.a...=111&AbsPos=10

quality of finish varies

your example is relatively late production and exhibits indifferent finish

races take 26 5/32" balls each and are not rectified after plating

head cup diameter is 30.0mm

fork crown race i.d. is 26.9mm

stack height is 36.1mm for your version; it is a bit greater for the toothed version

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