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