For a few months now I have been following a project that is making cardboard bikes. In the next few days (after June 24, 2013) they are going to finally release their public campaign to create these bikes. Below are some links of the project below. By clicking them you help me to help them spread the word of this interesting project.
The main website:
http://lnkz.us/mdmjx20
Their Facebook page:
http://lnkz.us/eft
Their Twitter:
http://lnkz.us/qobyj
A number of different articles:
http://lnkz.us/1ft02cj
http://lnkz.us/ha7g4z2cb