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agreed, interesting about the carbitubo
"CarbiTubo -- introduced 1988-89. made famous by guys like konyshev, rominger, riis, fondriest, and sorensen.
distinctive dual-downtube carbon with aluminum lugs, based on the earlier all-aluminum Duall manufactured for colnago by Alan. at some point before the C40 came along there were a couple "mono-tubo" frames spotted in the pro peloton -- basically an Alan Record carbon with proper colnago markings in the lugs. " my mapei gb decor is a"mono tubo"
the author also wrote in the colnago thread in velocipede salon, and i think he identified my mono as mapei gb, http://www.velocipedesalon.com/forum/f11/colnago-4964-20.html#post573157
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agreed, interesting about the carbitubo
"CarbiTubo -- introduced 1988-89. made famous by guys like konyshev, rominger, riis, fondriest, and sorensen.
distinctive dual-downtube carbon with aluminum lugs, based on the earlier all-aluminum Duall manufactured for colnago by Alan. at some point before the C40 came along there were a couple "mono-tubo" frames spotted in the pro peloton -- basically an Alan Record carbon with proper colnago markings in the lugs. " my mapei gb decor is a"mono tubo"
the author also wrote in the colnago thread in velocipede salon, and i think he identified my mono as mapei gb, http://www.velocipedesalon.com/forum/f11/colnago-4964-20.html#post573157