You are reading a single comment by @Stonehedge 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.
Stonehedge
HatBeard
It's not always citric acid, sometimes it's phosphoric (and I want to say oxalic acid as well for some reason). Unfortunately it's almost never stated and I'm not brave enough to taste a dab to find out!