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There are two which fit your criteria on this thread: https://www.lfgss.com/thread35550.html#post1138674
@Soul started 15 years ago
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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Try searching!
There are two which fit your criteria on this thread: https://www.lfgss.com/thread35550.html#post1138674