Learn about the materials used to have bicycle frames in this giveaway bicyclevideo. Expert: Charles mcmahon Contact: www.merionmedia.com Bio: Charles mcmahon is the highbrow emeritus in the Department of Materials Science as well as Engineering during the University of Pennsylvania. He has created the textbook. Filmmaker: Christian Munoz-Donoso

1 Comment »

1. 

   And carbon frames.

   Comment by cluctus — February 25, 2010 @ 4:13 am

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