I haven't registered though and it says pre-registration is full, I presume this doesn't really matter?
I think you only need to register if you want a stamp card.
@pifko 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.
I think you only need to register if you want a stamp card.