Frame: steel and painting, thicker argon-arc welding/CO2 welding
Fork: steel and painting, co2 welding steel /suspension fork
Rim: 12" steel alloy or aluminum
Handlebar and stem: CP, argon-arc welding 1.2mm
Tyre: 12"x1.75 air tires or EVA tire
Chain wheel & crank: 12"24T×89 CP/ED
Crank: CP or ED or UCP
Brake: F/R Caliper Brake
Freewheel: 16T/18T/20T Brown/Black/CP
Mudguard: steel, painting or CP
Chain: full chain or 9-form chain cover
Pedal: plastic
Saddle: leather, common or spring /plastic/imitation leather
Grips: RUBBER FOAM