SP hub dynamos employ sealed bearings that do not require service until the bearings require replacement.
How do I know when they need replacement? Just ride it until seize and death?
@fussballclub 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.
SP hub dynamos employ sealed bearings that do not require service until the bearings require replacement.