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Old 07-15-14, 02:32 PM
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delcrossv 
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Originally Posted by mountainwalker View Post
Which grades of steel should you look for in steel bikes, and which types/grades of aluminum in aluminum bikes?
Only part of the answer (see above). There's a bunch of tubing manufacturers- Reynolds, Columbus etc. and a bunch of different aluminum alloys and heat treatments.

For a start: Reynolds 531 for steel and 6065 for aluminum. Either is strong enough to be made into a light ,stiff frame.
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