http://www.sheldonbrown.com/fixed.html
http://www.sheldonbrown.com/fixed-conversion.html
@hippy started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
http://www.sheldonbrown.com/fixed.html
http://www.sheldonbrown.com/fixed-conversion.html