http://www.fern-fahrraeder.de/arbeiten/chuck/
That's a dura ace track crank on that bike; or a road crank from yesteryear?
Looks like an anodized 7400 (Road) crankset
@Thrust 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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http://www.fern-fahrraeder.de/arbeiten/chuck/