Triumph, BMW, & Kawasaki Sales Spares & Repairs.
Established for over 40 years and run by expert motorcyclists.
Fully authorised workshop.
Founded in 1927 by Ribourt et Cie
20 Rue Richard, St Etienne
Built twin-loop cradle frames accepting various engines and gearboxes, fuel and oil tanks, wheels, brakes and forks.
In 1929, 10 different frames were available.
It is possible the B.J.S. marque used GAM frames.
Source: Motos dans la Loire