AliH

That is very kind of you. I did consider cutting off the braze on (but I know that is a no no in this community!) I presume the Shimano levers and mechanism would fit on the Simplex threads? Mixing French and Japanese components is sometimes frowned upon, but it is a bit of a mis-match of bits and pieces anyway.

I'll send you a DM 1989Pre - thanks

1989Pre 

To be honest, I don't know the answer to that question. Maybe someone else can answer. I'll wait until we hear something. Have you tried installing one shifter into your Brampton boss? If it installs securely, then I'll try getting a Benelux shifter bolt into this clamp's boss. If it fits, that means the British and French threads were (roughly) the same.
Incidentally, my (British) Brampton boss was damaged when I got the Grubb frame, so I had a Huret boss welded on. It fit my Cyclo/Benelux shifter perfectly.

Kilroy1988 

AliH 1989Pre We had a discussion a couple of years ago about the threading on the old Simplex lever bosses and they are in fact different than most modern ones. I want to say it was John E who was attempting to do a retrofit and he somehow managed it with a specific bolt. The thread with the discussion might have been my build thread about the Carlton Super Python but I think I was only using that as an example in another thread... If I remember I'll link it here!

-Gregory

AliH

Aardwolf here is the NDS and the cable guide underneath. Again this might not be true C&V respect of the frame but it works and allows a drainage hole.

AliH

AliH

And here is old Hugh reunited with his bike!

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juvela

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Aardwolf

Cheers, I've got the oil valve too (nipple stored safely).



But there's also a braze spot where there used to be a cable stop a couple of inches up the down tube - for cable outer from there to the front derailleur. I'm probably going to reinstate that mechanism.

juvela

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kitting:

upon seeing these images it appeared you were running the cycle without a lockring in place on the Tange adjustable bottom bracket cup since the left crank arm was in place -




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other frame from Hugh -



whenever you are ready you could commence an identification thread on this

the placement of the pump peg is one seldom encountered and may twig a reader's memory...


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Kilroy1988 

A lot of British frames from the post-war era have pump pegs behind the seat tube like that. My 1954 Carlton Super Python does, I've seen numerous Hetchins, Jack Taylors, Holdsworth, Macleans, etc... It was really up to customer preference for pump placement on most custom frames (as a majority of nicer ones were from the hundreds of makers during the period). Wouldn't count on it being a reliable indication of any particular marque.

-Gregory

juvela

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yes, behind the seat tube pump placement was quite common

this oblique arrangement somewhat less so


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Kilroy1988 

That's how my Carlton is and how I typically see them on the British frames. It allowed room for fenders to be installed.

-Gregory

AliH

juvela here is a post about the original frame

How rusty is too rusty? - Bike Forums

I tired identifying it but never could. My heart wanted to tell me it was a Flying Scot (a bit of a grail for me) but the features never quite added up. I was told there were so many small 60's framebuilders in the UK and it could have come from (m)any of them.

On a separate note - I guess I have the answer to my question about how rusty is too rusty!