DIRT-PROTECTING GUARD FOR VARIABLE SPEED BICYCLE
The utility model relates to an anti-pollution protection baffle plate of a variable speed bicycle, which is arranged on the front upper side of a big chain wheel of a variable speed bicycle. The anti-pollution protection baffle plate of a variable speed bicycle can be made to a groove-shaped semici...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model relates to an anti-pollution protection baffle plate of a variable speed bicycle, which is arranged on the front upper side of a big chain wheel of a variable speed bicycle. The anti-pollution protection baffle plate of a variable speed bicycle can be made to a groove-shaped semicircle arc shape, and can also be made to a groove-shaped polygon. The utility model can be fixed on a front oblique beam of a variable speed bicycle. A tight protection system can be formed by the anti-pollution protection baffle plate of a variable speed bicycle, a front derailleur of a variable speed bicycle, and a circular protection sheet of the outer side of a big chain wheel. The utility model can effectively prevent trousers legs of riders from contacting bicycle chains, and can prevent accidents from happening, such as trousers legs polluting by chain oily soil or twisting by chains, etc. |
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