| Also known as | S685 |
| Diagram | Fig. 16 — TELESCOPIC FRONT FORK · ref 15 |
| Subsystem | forks front |
| Listed in parts books | 1969–1970, 1974 |
NUT,CEI PINCH BOLT TO 68
Nut for the CEI-style front fork pinch bolt on unit Triumph forks, PN 21-0685.
This is the pinch bolt nut for the CEI-style front fork, part number 21-0685, also known under its earlier alias S685. It shows up in the front fork figures for a range of unit-construction Triumphs including the T90, T100S, T100T, TR6R, and T120R, so it's a fork part through and through, not an engine or gearbox item.
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The pinch bolt itself clamps the fork components together at the top lug, and this nut is what draws it up tight. It's a small piece, but it matters for keeping the fork assembly secure, so if yours is stripped, rounded off, or just missing, it's worth replacing rather than improvising with something off the shelf.
Our catalog record ties this nut to the CEI pinch bolt setup across several front fork listings from 1969 into 1974. If you're not sure your bike's fork uses this particular pinch bolt arrangement, give us a call and we'll confirm before you order.
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