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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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@ObiWomKenobi
Excuse rubbish/dark pictures.. my camera's macro settings are screwed up...
BCM stamp on front of top and bottom heat tube lugs
72 stamp on front of seat cluster lug
4103 stamp (not 4330!)
What I find interesting is that the number is stamped in the same place.. they must be from the same manufacturer ! ! !