You are reading a single comment by @withered_preacher 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.
@withered_preacher
True, but stand in front of a well-lit mirror, with a decent well-marked ruler, and you'll be fine. (Or have 3 friends measure your PD < not a euph < separately and average out the numbers)