They're clearly a hobby-horse crew, as the apparatus as drawn doesn't exhibit any visible means of propulsion.
@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.
They're clearly a hobby-horse crew, as the apparatus as drawn doesn't exhibit any visible means of propulsion.