Well, I'll bite, although I know you're trolling: Lots of people riding bikes contribute lots to the economy. So there. :)
@Oliver Schick 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.
Well, I'll bite, although I know you're trolling: Lots of people riding bikes contribute lots to the economy. So there. :)