You are reading a single comment by @Zebra_Cyclist 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.
Zebra_Cyclist
Pipe specs are complicated and I don't really understand them but does 3/4" BSP refer to the internal pipe diameter?