'A mountain bike changed my life'

HIGH BRIDGE, New Jersey (CNN) -- "The thought that I can reach out and permanently improve someone's life for the better is addictive," says Dave Schweidenback.

Several times a year, the 55-year-old can be found prepping large shipments of used bicycles bound for a developing country. For Schweidenback, gathering and breaking down these bikes is a labor of love -- one that is helping to keep the bikes out of landfills and give them new life.