DISRAELI DOCUMENTS

US Patent # 3,618,410

US Patent 3,618,410 main image

This patent covers the Shimano Falcon, a cunning two-speed derailleur that you activate by back-pedalling.


  • Publisher: The World Bank
  • Inventor: Masashi Nagano
  • Country: USA
  • Date: Priority date May 1969
  • Derailleur brands: Shimano
  • Derailleurs: Shimano Falcon
Share this page