You are reading a single comment by @Sumo and its replies.
Click here to read the full conversation.
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.
@Sumo
http://www.popularmechanics.com/technology/gear/a15603/super-efficient-greaseless-bearings/?click=welcome-ad