1). High-carbon steel longitudinal folding fram (patent) 2). Brank handle: DLA-COMPE

3). The handle is aluminium alloy, three-section folding handle (patent)

4). The wheel: CHAOYANG 12"

5). The hub: aluminium alloy, electrolytically deposited seat post

6). The front brake : pincers brake

7). The rear brake : wedge type braking

8). Double rear shock absorber

9). The form of folding : square.

10). 40 sprockets chain wheel.

11). The chain advance .

12). N. W. /G. W. :13kg/15kg

13). Loading : 150KG

14). The level track speed: 30km--40km

15). The length of unfolding : 117

16). The folding size: 75*63*15

17). Advance rate: 1: 4. 44

It is convenience for people go to work. It is easy to bring to bus, train, underground, car and so on. It is a good travel for students to go to school and the offices go to work.