You are reading a single comment by @F34Rthefixed 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.
@F34Rthefixed
i use sheldon for g.i.
i know 48/17 is 75ish, so i just work it out from there.....