You said stem is stuck, yet no seat binder on, is it seatpost that is stuck?
Yes, sorry. Should have edited that - SEAT POST is stuck. I've removed stuck ones before but I didn't want to rush it on this. It's the classic aluminium post on steel frame.
@Foreigner65 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.
You said stem is stuck, yet no seat binder on, is it seatpost that is stuck?