You are reading a single comment by @Rodolfo 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.
@Rodolfo
But there are formula's/rules for it.. Scrounge the Campagnolo site for the tech docs..