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.
@Howard
30mm and they have removable cores.
Although I'd recommend the topeak adapaters as they can be removed / retrofitted and don't require tape etc.