Which is a stronger aluminum?
#2
7000 series aluminum is generally stronger than aluminum in the 6000 series, however when it comes to aluminums strength, heat treating is everything. A properly heat treated frame made of 6000 series can be stronger than a poorly heat treated 7000 series frame. But to compare apples to apples, the 7000 series would generally be stiffer.
#3
THIS BIKE'S 4 U !!!!
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From: Western, NC .... (Pisgah, Bent Creek, DuPont)
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The higher the #, the stronger the metal, trust me....





