Hi
I made a similar tent, but it used my bicycles wheels for a frame I used parachute sheet, for the top and those covers they use in restaurants for the bottom, it was completely waterproof. So much that the moisture would condense on the inside

. It only weight 1.2 kg, and only cost me the Velcro. I would trust this tent in the drakensberg if I for some reason decide to take my bicycles wheels along
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Then I put some hooks on my backpack to fix my bicycle to it. The backpack and sleeping bag you also see in the picture I got for R30 each at a second hand shop.
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With this I did a 8 day bike/hike trip on the south coast with only R 180.