Got a quick reply from Dr. Yan:
1) What is the rear spacing of the frame? (126mm / 130mm /135mm)
we have had 130's and 135's the latest ones should be 135's
2) What is the spacing of the front fork? (74mm / 80mm / 100mm)
100
3) What is the width and threading of the bottom bracket?
68x114 (as I recall)
4) What is the head set size? 1” or 1 1/8”
1 1/8"
5) What is the size of the seat post?
550mm (L) 30.4mm (D)
6) Is there touchup paint available for the bikes?
No
7) Are there any geometry specs that can be found? (effective top tube length, etc..)
We do not have them, however it is a Dahon licensed frame, hence you can get the info from them