Those semi circular sections are rough and if it’s been done up for some time it might just be stuck. If you’ve got a saddle on it still, undo the bolt and try to rotate the saddle nose up or down with some force
@PhilDAS started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Those semi circular sections are rough and if it’s been done up for some time it might just be stuck. If you’ve got a saddle on it still, undo the bolt and try to rotate the saddle nose up or down with some force