Do a search for "OTP" - this particular topic has been done to death. There is lots of information available on the site. But you must search, search, search.
@Aroogah started
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.
Do a search for "OTP" - this particular topic has been done to death. There is lots of information available on the site. But you must search, search, search.