Yes, it's possible to build a frame weighing less than one kilo. If you're into official racing, not much point, as road race rules often require the bike to weigh more than 6.8 kg to be allowed to race.
Yes, there are frames that weigh less than a kilo. Not much point in them though. Racing rules require a certain weight, and the're too brittle for everyday use.
The law of supply & demand. The auto manufactures build what we consumers damand.The law of supply & demand. The auto manufactures build what we consumers damand.
He never did. The drawings from Leonardo da Vinci which supposedly were of a bicycle has later turned out to be faked.
Natural Resources
Do a net search for "bicycle frame builder" + your area code. Expect to pay a fair bit for it.
If the rubber is rigid enough, I believe it is possible.
Well, they can't be built out of dreams and wishful thinking.
Bicycle Making~APEX
Becacuse it's hard to build stuff out of liquids and gasses.
Do a net search for "amphibious bicycle" and you'll see plenty. Fairly easy to build, very hard to make them practical.
Get a kilogram of 'Holo' and seperate into 1000th's and each one is a 'Hologram'
Wood has been used to build a bicycle in the past. Though metal tubing, composite carbon fibre, and plastics are usually used nowadays.