http://blogs.bridgei2i.com/2013/12/10/can-data-turn-the-wheel-clean-for-pro-cycling/
@hippy 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.
http://blogs.bridgei2i.com/2013/12/10/can-data-turn-the-wheel-clean-for-pro-cycling/