Sandpaper the inner of the frame a little to remove paint etc and then lube well with grease. A vice can work too obviously.
@Lew_redd 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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Sandpaper the inner of the frame a little to remove paint etc and then lube well with grease. A vice can work too obviously.