children bicycle

children bicycle
1.Rim Size:from 12" 14" 16"
2.Bike Frame:steel and painting,thicker argon-arc welding/CO2 welding
3.Bike Fork:steel and painting,co2 welding steel/suspension fork
4.Rim:12" 16" 20" steel alloy or aluminum
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*89/1628T*102/20"28T*127 CP/ED
8.Crank:CP or ED or UCP