This is the sort of thing you need:
http://www.sjscycles.co.uk/category-Freewheels--Single-Speed-76.htm
@Soweto888 started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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This is the sort of thing you need:
http://www.sjscycles.co.uk/category-Freewheels--Single-Speed-76.htm