Model:20 F050
Speed: 24sp
Frame:Alloy folding frame
Fork: Steel bell-shape fork
Stem: Alloy folding stem
Rim:Alloy double wall rim 36H
Hub: Alloy hubs with quick release
Gear system: SHIMANO  ST-EF51 /RD-TX35
Tyre:  CST  20"*1-1/8",ETRTO:451MM color tire
Brake: Alloy disk brake
Other: Alloy handlebar; KMC chain; one-pc waterproof B.B parts; Folding pedal; alloy chainwheel