You are reading a single comment by @number6 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.
@number6
some road chainrings / spiders are not that circular even after using the above centering technique - they don't need to be dead on as hey are used with a chin tensioner (rear mech)