OIL IN FRAME
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In 1971 BSA/Triumph introduced a new frame. The oil tank is integrated in the thick centre tube. New model "conical" brakes, new front forks, new style headlamp and switches. Triumph 650/750 and BSA A65/A70 engines used identical cycle parts. In 1974 the conical hubs (and matching forks) disappeared and were replaced by disc brakes.OIL IN FRAME TYPE EXHAUSTS
FRONT FORKS CONICAL HUB TYPE
FRONT FORKS CONICAL HUB TYPE