It’s been only a few months since I picked up cycling once again and in that time frame, I’ve used the Java Zelo and Crius Master D before deciding to build a frame from scratch, with an Fnhon Tornado used as a base. It’s a time consuming experience but well worth the effort.
Seatpost Options for Folding Bikes
A ‘normal’ seatpost designed for road and mountain bikes won’t work on most folding bikes because the length is simply too short for most people. Hence, you would need to find a seatpost that is at least 55cm to 60cm long.