You are reading a single comment by @mr_tom 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.
@mr_tom
But that doesn't make sense either. Surely it increases stretch by 2.5mm at the downstroke and reduces it by 2.5mm at the top?