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PLEASE NOTE: 2026-04-15 Australia Post changed something on their end and postage quotes are not working. We are trying to resolve the issue.
Kickstart rubber, John Bull No 1, open end, 1/2 inch, inner has cross bar recess. Approx 3 7/16in (88mm) x 1/2in (12mm) bore, with internal step and cross bar recess. Suits early BSA, AJS, Douglas
