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Old 03-09-22, 07:58 PM
  #2078  
Slowride79
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Join Date: Apr 2018
Location: Hitsville USA
Posts: 261

Bikes: 50s, 60s, 70s Nottingham/Worksop bikes, becanes, Gitane, Bertin, Lion of Sochaux

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ctt is center to top. Center of bottom bracket to top of seat tube. That’s how they measured back in the day.
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