sentence: Santa Cruz Nomad Bike company is demonstrating how to install a bike. sentence:  The company representative is putting together the bike parts piece by piece. sentence:  He starts with the main body and then goes to attach the wheels, the handle and the pedals. sentence:  Then he goes ahead and attaches the rubber tires. sentence:  After that he fixes the handles of the bike with black rubber tops. sentence:  He finally reinforces all the parts and ensures the bike is ready for use. sentence:  when he's done, he gets on the bike and rides it.