You are reading a single comment by @Olly398 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.
Olly398
Best guess 1/2" BSPT.
But sizing is a little undersize.