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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.
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@Object
Stock originally referred to stock mountain bikes with 26 inch wheels and required a minimum of 6 gears and a seat to compete, this has evolved over the years and now according to the UCI refers to wheels from 24-26, seat is optional and since 2004 single speed bikes have been competition legal.