A man rides his bike to a driveway and stop.  The man shows us how to collapse his bike an shows us the front tire.  He wipes the tire off with a paper towel.  The man adjusts some of the gears to disconnect the brakes.  The man takes sandpapaer and wipes a gear then wipes it with a towel.  The man rides the bike into the driveway and hops off to show us the tire.