Certainly anyone under 40 should be fixed (this is all sounding a little Desgrange), and to be in your 20s with a derailleur on rides such as these, barring the odd bit of curiosity or experimentation, is just plain embarrassing.
If that's the case, so be it;
@edscoble 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.
If that's the case, so be it;