... 4.soonest delivery baby bicycle Product Description NameChild BikeModelHD-0031FrameSteel, painting, argon-arc welding or co2 welding. Φ0.8-1 ... .5mmColorBlack, or customizeForkSteel, painting, argon-arc welding or co2 welding. Φ0.8-1. ... ,16''28TX102 , 20''28TX127 CP/EDMudguardSteel, painting/CP/PVCB.B partsA type.8pcs B type.3pcs Conjoined crankOEM/ODMOfferedFlywheel12”16T /16”18T ...