en_captions: A man comes to a stop riding a bike down a hillside and talks.  The man stand in front of a rock wall talking.  The man uses a tool to adjust the and runs it through the different gears by hand.  The man adjusts the brakes and the handle bar grips.  The man pulls the cable through from the handlers to the shifter to the derailleur and ties its end.  The man takes off and rides away.