You are reading a single comment by @Howard 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.
stevo_com
@Howard
Ours was doing this. Then a big bubble arrived in the top of the crappy one tube towel rad on the first floor. Bleeding that off when the system was off seemed to quieten it down.