Model: 20F049
Speed: 24sp
Frame:Alloy folding suspension frame
Fork: Alloy bell-shape fork
Stem: Alloy folding stem
Rim: Alloy double wall rim 36H
Hub: Alloy hubs with quick release
Gear system: SHIMANO  ST-EF65 /RD-M310/CS-HG20-8 gear system
Tyre:  CST  20"*1-1/8", ETRTO:451MM color tire
Brake: Alloy disk brake
Other: Alloy handlebar/seat post; KMC chain; one piece waterproof B.B parts; Folding pedal; alloy chainwheel