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Details
| Listed in parts books | Not catalogued by year yet |
NUT, MAINSHAFT 1936-50
Mainshaft nut listed for 1936-50 pre-unit Triumph twins.
PN · 57-0421
This is the mainshaft nut listed in the old parts books for pre-unit Triumph twins built between 1936 and 1950. Our records on this one are brief, so we're going by what the catalog entry itself tells us rather than filling in guesses about exact fitment.
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If you're working on a machine from that era and need to replace this nut, give us a call and we'll confirm it matches what's on your gearbox before you order.
$11.49
Pin your bike to check this part fits.
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