You are reading a single comment by @BringMeMyFix 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.
@BringMeMyFix
I work them out in advance - gear inches divided by 336, multiplied by cadence equals your speed.
eg. 39x23 (x26.4" wheel (700c)) = 44.76" /336 = 0.133
Therefore cadence of 100 is 13.3mph, so cadence of 200 is 26.6mph, etc
Roughly :)