This document is apparently a brochure produced by V/O Avtoexport for a European trade show in 1977. It depicts 4 Kharkov models; an eight speed (153-411), two ten speeds (153-412 and 153-413) and a four speed (?) with straight handlebars (153-414).

• Publisher: Avtoexport
• Country: Russia - USSR at the time
• Date: 1977
• Derailleur brands: Kharkov
• Derailleurs: Kharkovs of some type