"O.L.D." (Over-Lock-nut Distance)
https://www.sheldonbrown.com/frame-spacing.html
@anthonyj 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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"O.L.D." (Over-Lock-nut Distance)
https://www.sheldonbrown.com/frame-spacing.html