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.
BSA A10 Pistons Genuine AE NOS +020=70,5mmThese are NOS AE Hepolite Pistons Made in EnglandThese are not modern Hepolite PistonsPlease view ALL pictures