Solos and Combinations from Birmingham Small Arms
For 1938, BSA offered the following models:
B20 250cc Tourer
B21 250cc OHV Sports
B22 250cc OHV Empire Star
C10 250cc
C11 250cc
B23 350cc Tourer
B24 350cc OHV Empire Star
B25 350cc OHV Competition
B26 350cc OHV Sports
M19 350cc OHV De Luxe
M20 500cc Tourer
M22 500cc OHV Sports
M23 500cc OHV Empire Star
M24 500cc Gold Star
M21 600cc Tourer
Y13 750cc OHV Twin 7.48 hp
G14 1000cc Twin