"Looking after stuff so it lasts its full potential lifetime is the way to go in a world of diminishing resources. It follows that knowing how to look after the bike goes hand in hand with being an enlightened eco-aware cyclist. One of the really cool things about bicycles is that they remain an antidote to disposable 'black box' culture."
http://www.edinburghbicycle.com/comms/srv.a4d?f%5Fpg=site_info/how-to.htm