NORTON SPOOL HUB WHEELS

The wheels used before the full width drums came. Say pre 1953.
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RIBBED BRAKE DRUM
B4-463
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Fits  plunger frame Nortons and some of the racers.

BRAKE DRUM 16H
NME2/463
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Fits many prewar and postwar Nortons.
British Made. Very nice quality. Studs 7/16 x 26TPI. Uses narrow 5/8 x 1/4” (520) chain.
Was part number 9518, D2/468, E2-463