You are reading a single comment by @bobble 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.
bobble
Ours does this sometimes, I think it’s just surface tension giving way and gravity taking over. Doubt very much it’s being let through by the valve. I bet there’s a YouTube explaining vid on it.