Hi everyone...
I have read about an article (5 months ago or so) about Beryllium bike
frames. Has anyone seen such a frame on sale, or heard about it? I think
it is the latest frame produced (after titanium) which has a high 
strength/weight ratio.
And a few more questions: What are the specialities  of the frames made of 
different materials, such as steel, aluminum, cromoly, titanium, etc.
Which is the most strong, and which has the highest strength/weight ratio.
In what kinds of bikes are tyey used, and what are the prices?
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