... developed model 4.OEM made,welcome customized log folding bike BABY TOYS, CHILD BIKE, KIDS BIKE, CHILDREN BICYCLE, KIDS BICYCLE, BMX BICYCLE, TOY ... : steel and painting, thicker argon-arc welding/CO2 welding 3. Bike Fork: steel and painting, co2 welding steel/suspension fork 4 ... . Bike Rim:12"-20"16H/20H/28H/36H/48H inch steel/aluminum rim 5. Handlebar and stem: CP ...