GB were motorcycles produced from 1905 to 1908. The company was
run by F. Claassen and Co, based in Sydenham, London.
The machine made its debut at the late-1905 Stanley Show. The models were
a 3hp single, plus 3.5hp and 5.5hp Minerva
V-twins which were all fitted with a gear-driven magneto. There were many
options including spring forks, free-engine clutch and a sidecar
with a coach or wicker body. They also listed a tricycle
with a passenger seat, carried between the twin rear wheels and fitted
behind the rider's saddle.
With a long 58-inch wheelbase, the models were low in build and quite advanced
for the period.
Production continued until 1908, during which year they listed machines
with either a 4.5hp Minerva
single engine or a 5.5hp Zedel V-twin.