1. Rim Size : from 12'' 14'' 16'' 18'' 20'' 2. Rim: 12'' 14'' 16'' 18'' 20'' steel alloy or aluminum 3. Bike Frame : steel and painting.thicker argon-arc welding/co2 welding 4. Bike Fork : steel and painting.co2 welding steel/suspension fork 5. Handlebar and stem : CP. argon-arc welding 22*0.8-1.2mm 6. Tyre : 12''*1.75, 16''*1.75, 20''*1.75 or 1.95, 2.125 air tires or EVA tire 7. Chain wheel/crank: 12''24T*89, 16''28T*102, 20''28T*127, CP/ED 8. Crank : CP/ED/UCP 9. Brake : F/R Caliper Brake or R band brake 10. Flywheel : 16T/18T/20T Brown/Black/CP 11. Mudguard : steel.painting or CP 12. Chain : full chain or 9-form chain cover 13. Pedal : plastic.with reflector.without ball.PP/TPE/ALLOY 14. Saddle : good leather.common or spring/plastic/imitation leather/plate PVC TOP 15. Grips : PVC/TPR/RUBBER FOAM 16. B.Bparts : 3pcs B.B axle B.B cup 17. paint: 3×1/4× painting 18. Color : red.black.blue.green.yellow etc.any color you like 19. Attachments:bag.helmet.flag.the covers of the wheels.training wheels 20. Packing : export standard packing SKD/CKD/AB 85%SKD/50%SKD 1 PCS/CTN or 4PCS/CTN 21. Green paint is good for health and environmental 22. We can manufacture saddle, pedal, the helmet and the cover of the wheels to match the bikes 23. Can make the new sticker according to customers' demands 24.The quantity in one 40 HQ container: 85% skd, 1pcs 1 carton, 12'' 1300 pcs; 14'' 1080 pcs; 16'' 960 pcs; 20'' 700 pcs 50% skd, 1pcs 1 carton, 12'' 1880 pcs; 14'' 1500 pcs; 16'' 1230 pcs 20'' 1000 pcs ATTN: Wendy. 75%skd or 85%skd; ckd; a&b carton in parts condition.