Basic Week 3 - Cleaning

Sheldon Brown's thoughts on chain lubrication and cleaning. There's also some information on chain and sprocket wear that's worth reading http://www.sheldonbrown.com/chains.html#oil

This is an older article on comprehensive bike cleaning, we'll be using some but not all the methods suggested. http://wwwimlangley.net/wrench/bikewash.htm
Park Tool article on using a chain cleaning tool: http://www.parktool.com/repair/readhowto.asp?id=24

Video discussing different types of lubricants: http://bicycletutor.com/lubricants/

Lastly, a bit of chain cleaning humor from Sheldon Brown: http://sheldonbrown.com/chainclean.html