In order to add to the knowledge base of this channel, to widen often parochial, elitist perspectives on folding bikes, particularly solid low-price, value gear, I am sharing here some of the framesets easily available in many countries of Asia-Pacific. I list price to provide perspective. I have no commercial interests, direct or indirect in this. Just sharing, that's all.
Litepro/Crius Velocity
Al alloy, $150 frameset (2.8kg), 406/451 wheel
FnHon Gust
Chome-moly, frameset $275, 305/349 wheel
Litepro/Crius Master D
Al alloy, $150 frameset, 406/451 wheel, disk brake
None of these bikes require any proprietary parts. Handleposts, 74cm front OLD, etc. are all folding bike standard, Shimano Road/MTB standard plug-and-play. This, and the fact that you can buy a frame alone, means that you can customize to your heart's content without a price premium or a middleman. Chose the best or worst, the cheapest or priciest parts. It's all up to you. Their low price, the cutting out of the middleman, and non-proprietary nature means greater accesability, a democratization of the segment away from pricy boutique jobs, and a move from fringe to mainstream.
For those looking for solid complete bikes that don't cost an arm and a leg, and don't weigh a ton, you can look to the
FSIR Spin line of bikes in 20" and 16" wheel sizes.
Spin 5.0
Spin 3.0