Details
| Diagram | Fig. 8 — FRAME · ref 24 |
| Subsystem | frame |
| Listed in parts books | 1969–1970 |
BSA Nut, swinging arm spindle (13/16" British Standard Cycle)
Swinging arm spindle nut, 13/16 in. British Standard Cycle thread.
PN · 42-4343
This is the nut that secures the swinging arm spindle in the frame, holding the pivot pin in place so the rear fork can swing on it. It's cut to the 13/16 inch British Standard Cycle thread, the standard spec for this fastener on frames of this era.
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