Have seen it on 70's Raleigh frames, twice before, one 23", and one 25", may be due to longish headtube, and insufficient bracing, or shoddy/wrong temperature brazing?
@53claud started
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Have seen it on 70's Raleigh frames, twice before, one 23", and one 25", may be due to longish headtube, and insufficient bracing, or shoddy/wrong temperature brazing?