stronger alu tube and better tenacity, better for adult and children. Scooter (RHX-7501),.Material: Aluminum tube Wheel: PU wheels Product Size:58*10*19cm CartonSize:61*36*34cm Packing: 1pcs/color box 6pcs/carton N/W: 1.7KG .Scooter,mini scooter,electirc scotter,foot scooter,alu scooter