The BSA A7 is a range of 500cc parallel-twin engined motorcycles that was made by Birmingham Small Arms Company at its factory in Armoury Road, Small Heath, Birmingham. The range was launched in 1946
1948 BSA A7, with rigid rear end
1947 long-stroke A7 engine, with gearbox bolted to the crankcase
1955 A7SS Shooting Star engine, with separately-mounted gearbox
The BSA unit twins were a range of unit construction twin-cylinder motorcycles made by the Birmingham Small Arms Company and aimed at the US market. A range of 500 cc, 650 cc and 750 cc twins were pro
1964 BSA A65 Rocket
BSA unit construction engine
1964 File:BSA Lightning Rocket