... bicycle high quality practical nice kids bikes with basket box and back support Frame: steel,co2 welding,MTB ... painting Fork:steel and painting,co2 welding Handlebar: steel CP Tyre/Tube ... lower) Rim: steel CP Pedal: without ball,plastic,with reflector Mudguard:steel painting Saddle: common, leather Crank ... ,training wheel,tool box kids bikes with basket box and back support