Can lightweight alu be really that weak?
If ultra lightweight means trying to get frame weight under 1kg then probably yes. Maybe compromising wall thickness a bit too much and the top tube would dent like a Coke Can (might be exaggerating)
@kerley started
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If ultra lightweight means trying to get frame weight under 1kg then probably yes. Maybe compromising wall thickness a bit too much and the top tube would dent like a Coke Can (might be exaggerating)