Triumph. Clutch sprocket 43T. BSA S/A A7 A10 f. the 4 Spring Clutch conversionlate BSA and Gold Star late swinging arm T100, T110, T120, 5T, 6T Rigid and swing arm Pre Unit Gold Star-late Type Rocket Gold Star 5 bonded clutch plates
Rear Wheel Sprocket/Brake Drum 42T. BSA A7/A10 1957-61. Early A50/A65.1962-64. Not all modles. 4 Bolt Disc. Chain 110-056. Chain 530. 5/8 x 3/8.for full width cast iron hub Made in England.