You are reading a single comment by @anidel 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.
anidel
Kalkhoff
Looks like the group head to boiler seal, or possibly boiler cap seal.