Fox asked the same/similar question here:
Fixed/SS frames with TWO sets of bottle bosses, mudguard eyelets AND a back brake
He settled on a Person Touché (his build thread).
I'd definitely look at Person. Also IIRC Dawes and Ridgeback did a very good practical SS with all the bosses. The Dawes was called Mono. Maybe have a look for second hand ones.
@hugo7 started
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Fox asked the same/similar question here:
Fixed/SS frames with TWO sets of bottle bosses, mudguard eyelets AND a back brake
He settled on a Person Touché (his build thread).
I'd definitely look at Person. Also IIRC Dawes and Ridgeback did a very good practical SS with all the bosses. The Dawes was called Mono. Maybe have a look for second hand ones.