UN54 on 7600? 7600 is ISO no? Or was?
It's JIS according to VeloBase.
@TM 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.
UN54 on 7600? 7600 is ISO no? Or was?