| Also known as | S684 |
| Diagram | Fig. 16 — TELESCOPIC FRONT FORK · ref 14 |
| Subsystem | forks front |
| Listed in parts books | 1969–1970, 1974 |
Pinch bolt
Pinch bolt for the telescopic front fork top lug, PN 21-0684 (alias S684).
This is the pinch bolt used on the telescopic front fork, part number 21-0684, also listed under the older S684 designation. It shows up in the front fork figures for several unit-construction Triumph twins, including the fork setup used on the T90, T100S, T100T, and separately on the TR6R and T120R.
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A pinch bolt like this clamps the fork components together at the top lug, drawing the lug tight around the fork tube or stanchion so everything stays locked in position once the forks are assembled and aligned. It is a small part but an important one for keeping the front end solid.
Because this bolt appears across multiple fork figures spanning different models, check your parts book or give us a call to confirm it is the right one for your particular fork assembly before ordering.
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