Thread: 1981 Miyata 310 Bottom Bracket Mystery - what size threads?
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Old 03-17-14 | 09:00 PM
  #7  
mongol777
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Originally Posted by mattkime
I just took the bb out of a 1977-ish Raleigh if that helps at all. Makes me assume that its English anyway.
You mean UN55? On the cups it should have markings on what threading it is
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