Originally Posted by CalTex
I am selling a Motobecane Super Mirage frameset with 2040 tubing. I would like to, at least, appear knowlegeable about the material when approached by prospective buyers. I have done exhaustive research on Google and can only find that it is "high tensile steel". Is there more that anyone has to offer as to the composition of this 2040 material, the frame construction, or even this frame as relates to Motobecane Super Mirages?
Right above gas pipe as far as material for bike frames goes. Ok for bridge girders,but somewhat pricey for boat anchor material. Just say 'steel' and let it slide.