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Hi Nora, not nice that bl...y covid, hope you get better soon. The bike could've been spread to 126mm at rear to accept 6 speed block it had on when it came to me. I do know for sure that the chainset was SR Royal with black anodised rings, not sure of the bb or its lenght though, sorry.
Best of luck.
Foreigner65
@caemis
Hi! I am kind of building a 50s Bertrand (London), I got from @Foreigner65 a few months back. Its a lovely framset and while I had quite some trouble at first (headset cup spacing (30.-30.2) and a slightly off rear end, its seems to be ready to be build.
However, the chainline still gives me some troubles. I had quite a few vintage road frames set up with the same chainset and BB (107) with the same rearwheel I am planning to use here (modern fixed gear hub with 120mm).
The chain is off a few mm if I am running the outer ring on Campagnolo Triomphe cranks and only works with the inner ring, I am wondering if there is a crankset (square tapered) I could run with a narrower chainline, i.e. on the outer ring without using a different BB length.
As I am forced to bed by covid right now, pics won't be avaiable for some days. But any insight in the problem at hand or on the Bertrand brand (I know the classic lightweight page) are very welcome.
Best wishes.
Nora