I recently inquired about a rather nice Coppi made from Thron, the guy replied back and said the frame weighed 6lb: 4lb for the frame and 2lb for the fork. Something tells me this is innaccurate.... a quality 531c frame is around 4lb. I'm sure it's more like 4.5lb frame; 1.5lb fork.
Thron is double-butted cold-drawn cromo - did it replace the 1980's sturdy Columbus Cromor? What year did Columbus bring out Thron? Anybody own/or used to own a bike made from this and how does it compare to say Todays Columbus Brain and Reynolds 525?
The tubeset seems to be most common on bikes circa 1990's. From what's written about it on the web, it would suggest this tubeset is better than Aelle and Gara but below old SL on the quality scale. If SL weighed about 1900g (a little bit more than 531) for a 56cm sized frame, I assume this weighs about 2150g, that is, if Gara weighs 2300g with Aelle(plain cauge) the lowest marque, weighing in at about 2375g?
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Thread: Columbus Thron
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