You are reading a single comment by @markyp 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.
@markyp
compression ratio will only be about 9:1, and the slower it turns over the easier as there is more time to get past the rings, etc