12''-20'' Kids Bike,Bicicleta 1.high quality 2.competitive price 3.attractive design 4.prompt shipment 12''-20'' Kids Bike,BicicletaRim Sizefrom 12" 14'' 16" 20"Bike Framesteel and painting, thicker argon-arc welding/CO2 weldingBike Forksteel and painting, co2 welding steel /suspension forkRim12" 16" 20" steel alloy or aluminumHandlebar and stemCP, argon-arc welding Φ22X0.8-1.2mmTyre12"x1.75, 16" ...