| Diagram | Fig. 17 — FRONT WHEEL · ref 7 |
| Subsystem | wheels |
| Listed in parts books | 1974 |
| Also fits (as replacement) | 1960–1970 · for S79-2 |
Spoke nipple
Spoke nipple for Triumph front and rear wheels, threaded fitting that anchors the spoke end in the rim.
This is the spoke nipple used on Triumph front and rear wheels, part number 37-4200. It's the small threaded fitting that sits in the rim and takes the end of the spoke, letting you draw the spoke up tight and true the wheel. It shows up in both the front and rear wheel sections of the parts books, so it's a shared item across the wheel builds rather than something specific to one wheel.
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The older factory number for this same nipple was S79-2, so if you're working from an earlier parts book or pulling from stock with that stamp on the box, it's the same part.
These are small hardware, easy to lose track of and easy to strip if you're heavy-handed with the spoke wrench, so it's worth keeping a few spares on hand when you're doing a rebuild or truing job.
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