GEAR CRANK DRIVE OF A BICYCLE
The present invention relates to a bicycle bearing driving device for a bicycle comprising a pedal crankshaft for operation by a rider; a transmission assembly disposed on the pedal crankshaft and including a plurality of planetary transmissions connected to each other; The shifting slide plate is a...
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Main Authors | , |
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Format | Patent |
Language | English French German |
Published |
18.08.2021
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Subjects | |
Online Access | Get full text |
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