Joined: Sep 2011
Posts: 3,372
Likes: 598
From: Baltimore MD
Bikes: '72 Motobecane Grand Record, '72 Gitane tandem, '72 Raleigh Super Course, '73 Raleigh Gran Sport, '73 Colnago Super, '76 Fiorelli Coppi, '78 Raleigh SBDU Team Pro, '78 Trek 930, '81 Holdsworth Special 650B, '86 Masi GC, ’94 Bridgestone RB-T
Cool bike. My '72 Nishiki has that Tahei seat post. And yes, there are plenty of 531 bikes with stamped dropouts. And assuming the wheels are original, I'm not sure low end bikes ever had tubulars either.