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Free Mover is a private transport tool, which changes the traditional wheels of thousands years. It makes use of the flexibility of the microcellular rubber tyre which designed as a special-shaped linear structure touching the floor and much bigger. The roller slide inside the hub makes the tyre moving along the outside channel of the hub. Both the brushless d.c. motor and the gear will drive the inside tooth guide of the tyre moving linearly. It is suitable to driving on various sites especially go up or down the stairs. Free Mover brings about the free movement convenience and enjoyment for the persons who move with difficulty.