Perhaps a bit of black colour restorer type polish might work, not sure...for £10 posted to NL probably worth a try though eh?
@Tel 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.
Perhaps a bit of black colour restorer type polish might work, not sure...for £10 posted to NL probably worth a try though eh?