Publisher: Favorit

Country: Czech Republic (Czechoslovakia at the time)

Date: 1967?

Derailleur brands: Favorit

Derailleurs: Favorit PWB racing

The exploded diagram provides some clarification of the PWB’s distinctive spring-loaded ‘swing limiter’ on the unsprung knuckle, and adjustment thumb wheels. The part numbers seem to indicate that the pulley wheels were carried over from an earlier model.