Bike frame: steel and painting, thicker argon-arc welding/CO2 welding
Bike fork: steel and painting, CO2 welding steel/suspension fork
Rim:12”/14”/16”/18”/20” steel alloy or aluminum
Handle bar and stem: CP, argon-arc welding 22x0.8-1.2mm
Tyre: 12”x1.75, 16”x1.75, 20”x1.75 or 1.95 2.125 air tyres or EVA tyres
Chain wheel and crank: 12”24T x89/1628T x 102/20”28T x 127 CP/ED
Crank: CP or ED or UCP
Brake: F/R caliper brake or R band brake
Flywheel: 16T/18T/20T brown/black/CP
Mudguard: steel,paiting or CP
Chain: full chain or 9 form chain cover
Pedal: plastic,with reflector,without ball, PP/TPE/ALLOY
Saddle: good leather, common or spring/plastic/imitation leather/ plate PVC TOP
Grips: PVC/TPR/RUBBER Foam
Color: red,green,yellow,black,blue and etc, any color you want
Attachment: bag,helmet,flag,the covers of the wheels,training wheels
Packing: export standard packing SKD/CKD/AB 85%SKD/50%SKD 1PC/CTN or 4PCS/CTN