Originally Posted by
Nwvlvtnr
There is one detail that would make me suspect some of the braze ons to be latter additions: the inclusion of a clamp stop just behind the shifter boss braze ons.

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it is beginning to look like a Belgian national origin
the combination of the chainstay stop and bridges had me leaning that way
now with this pentagonal so-slide pibb Britain is pretty much ruled out
the pentagon is very common on French products, which can be ruled out in this case due to threading, but is also employed some in Belgium, it is generally not employed in Britain
perhaps one of our low countries experts will see a combination of features they recognise...
fabiofarelli Italuminium JaccoW
LucasHartong
non-fixie
the combination of long dropouts & 52mm brake centres together with the new information that some of the braze-ons are post-manufacture additions moves things back into the earlier seventies for a frame birthday
original rear spacing is likely to have been 120mm
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