Four-hole positioning triple crankset for bicycles

The utility model relates to a four-hole positioning triple crankset for bicycles. The four-hole positioning triple crankset for bicycles comprises a chain retaining board, a large chain ring, a medium chain ring, a small chain ring and a middle connecting board. The chain retaining board, the large...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	HAO JINYING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CYCLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS PERFORMING OPERATIONS POWERED PROPULSION OF SLEDGES OR RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING
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