thing is, once you adjust the saddle to the perfect height and distance, there's no need to adjust it ever again, hence the ball bearings.
@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.
thing is, once you adjust the saddle to the perfect height and distance, there's no need to adjust it ever again, hence the ball bearings.