Originally Posted By Bill Kennedy
...I think 1/2" aluminum would be strong enough, especially with the lighter loads people carry now. Titanium is lighter and stronger, but expensive.


It's a misconception that ti is lighter than al. The reason products made of ti are typically lighter, is that it's stronger, and you can use less of it (i.e. thinner wall tubing). If the dimensions were identical, the ti would be heavier.
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