You are reading a single comment by @sheathy 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.
@sheathy
the big ring is definitely 53tooth can't remember small ring off the top of my head, but I will check when I get home from work.