Wednesday, June 21, 2006
gizmag Article: New bicycle design eliminates chain, derailleur and sprocket
"US-based Dynacraft has introduced just such a beastie - the Dekra-D Drive bike has an internal drive shaft which offers less maintenance, greater safety and a cleaner solution than a conventional chain-driven bike by replacing the parts of the bike that cause the most problems and require the most maintenance - the chain and derailleur."