Small Rear Wheel Hubs for Scooter 1,meterial:aluminium alloy 2, ... appliances, low noise and high speed electric motors, automotive components, pumps, machinery.Package1.standard export packing (carton,wooden box,pipe packing ... and gland6.Noise inspection7.Appearance inspection8.Rust prevention9.Product packaging Small Rear Wheel Hubs for Scooter1,meterial:aluminium alloy2,size:17mm ...