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Through shaft type hub motor
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Chain wheel direct-drive type middle shaft transmission mechanism
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Electrical bicycle middle shaft Dao Sha mechanisms with fail safe function of stopping
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For the Split type wheel hub generator of network share bicycle
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Middle axle reverse braking signal transmission device with electric bicycle operating state determination function
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High-stability overrun clutch of electric bicycle
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Compact central motor for electric bicycle
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Back-pedal brake signal transmission device for middle axle of electric bicycle
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