Sorry, I must have over looked the obvious connotation, I've edited it now, just in case the thought of used rubber was off putting to anyone else.
@Dogs 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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Sorry, I must have over looked the obvious connotation, I've edited it now, just in case the thought of used rubber was off putting to anyone else.