You are reading a single comment by @MaxC and its replies.
Click here to read the full conversation.
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.
@MaxC
The little metal ring with the square shaped grooves is the lockring.
It came off because it wasn't tight enough.
Put the cog & lockring on with plenty of grease on the threads.
Tighten like fuck with a chainwhip (cog) then with a lockring tool (lockring).
Done.