aworld4change: Made some serious modifications to the single wheel bike trailer today! Getting ready to leave on the Trek for CA on Monday. Follow here: http://www.aw4c.com/atrek4change - #ATrek4Change #Trek4Change #Cycling #Bicycle #Trailer #SingleWheel #Welding #Weld #Steel #Modifications #CyclingAdventure #Trekking #Trek #SustainableDocumentary