If you want to buy by ebay here is a link: https://www.ebay.pl/itm/Cinelli-Vigorelli-Steel-Track-Frameset-54-cm-fixed-gear/333908298093
Read the rules. It's either Ebay or here.
@MikolajKot 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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If you want to buy by ebay here is a link: https://www.ebay.pl/itm/Cinelli-Vigorelli-Steel-Track-Frameset-54-cm-fixed-gear/333908298093