BSA
This British company, initially a weapons manufacturer, was the largest producer of motorbikes in the world from the mid 1930s up to the 1960s, thanks in part to its acquisition of Triumph and Ariel.

This British company, initially a weapons manufacturer, was the largest producer of motorbikes in the world from the mid 1930s up to the 1960s, thanks in part to its acquisition of Triumph and Ariel.
