toys_kids_ cute,pretty,exquist,popular among boys and girls, Unique design competittive toys_kids_ 1. Rim Size: from 12" 16" 20"2. Bike Frame: steel and painting, thicker argon-arc welding/CO2 welding3. Bike Fork: steel and painting, co2 welding steel /suspension fork4. Rim: 12" 16" 20" steel alloy or aluminum5. Handlebar and stem: CP, argon-arc welding Φ22X0.8-1.2mm6. Tyre: 12"x1.75, 16"x1.75, ...