Have you thought about just buying the rack and taking that back with you. It may also be that the average Vietnamese is quite a bit lighter than the average American. The racks in your pics don't look much stronger than the average rack.
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"He who serves all, best serves himself" Jack London
Originally Posted by
Bjforrestal
I don't care if you are on a unicycle, as long as you're not using a motor to get places you get props from me. We're here to support each other. Share ideas, and motivate one another to actually keep doing it.