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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.
@Object
Also, this could be of interest:
http://www.m-hikari.com/ams/ams-password-2008/ams-password29-32-2008/yangAMS29-32-2008.pdf