| 摘要 |
PURPOSE: A ridge bike is provided to prevent the rotation of a product during driving by installing advertising boards and accessories among spokes of a vehicle wheel. CONSTITUTION: A ridge bike comprises an advertisement or an accessory. The advertisement or accessory is inserted in the activation background of a bicycle. The advertisement or accessory is marked at a bicycle. The advertisement or accessory is installed in the spoke of the bicycle wheel. A first part(1) and a second part(2) detain the rotation of the advertising board for inter-combined.
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