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Multiple speed chainless drive for a utility tricycle with either torque amplifying pedal beams or a conventional bicycle seat and pedals
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Power take-off for four wheel drive vehicles
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Five speed chainless drive for heavily loaded pedal powered tricycles
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ATB shock absorber
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Shock absorber for mountain bicycles
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Dual wheel driven tricycle with a fully enclosed multiple speed drive
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Multiple speed drive for mountain bicycles
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Enclosed multiple speed drive for low maintenance chain driven bicycles
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Three stage planetary driving wheel for pedal powered vehicles
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Multiple speed driving wheel for pedal powered vehicles
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Multiple speed transmission for pedal powered vehicles
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Dual range planetary transmission for pedal powered vehicles
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Multiple speed planetary transmission for pedal-powered vehicles
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Three speed chainless planetary transmission for pedal-powered vehicles
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