1956 DBD34
The 500 cc DBD34 was introduced in 1956, with clip-on handlebars, finned alloy engine, polished tank, 36 mm bell-mouth Amal carburettor and swept-back exhaust. The DBD34 had a 110 mph (180 km/h) top speed. The Gold Star dominated the Isle of Man Clubmans TT that year. Later models had a very high first gear, enabling 60 mph (97 km/h) plus before changing up to second. Production ended in 1963.
Read more about this topic: BSA Gold Star