You are reading a single comment by @hippy 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.
hippy
frankenbike
A 9t cog paired with a 32t would be equivalent to a 40x11 (55kph @ 120rpm with 2" 650b), but the 32x46 would then be equivalent to a 40x57, no?