Ah okay. Thanks everyone. I thought it was a bit odd there would be two standards that were so similar!
Much of the ISO bike standard is based on BSC.
@Scilly.Suffolk 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.
Ah okay. Thanks everyone. I thought it was a bit odd there would be two standards that were so similar!