... steel , argon-arc welding/CO2 welding, electrostatic painting.RimSteel , aluminium alloy, plasticHandlebar CP, argon-arc welding Φ22X0.8-1.2mmTyreAir tyre ... or 9-form chain coverPedalRubber,steel,plastic. with reflector, without ball or with ballSaddleLeather,alloy spring plastic,rubber clear PVCGripsPVC/TPR/RUBBER FOAMB ...