| Also known as | H2108 |
| Diagram | Fig. 16 — FRONT FORK · ref 4 |
| Subsystem | forks front |
| Listed in parts books | 1967–1970, 1973 |
SLEEVE NUT,STEERING UNF
Split-type UNF sleeve nut for the steering stem, used with steering damper assemblies on telescopic front forks.
This is the sleeve nut that sits at the top of the steering stem, part of the steering damper setup on the telescopic front fork. It's a split-type nut, which lets it clamp down around the stem while the damper assembly does its job of controlling how freely the forks turn. The thread is UNF, per the parts book listing.
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You'll find this piece called up across a run of front fork and steering damper figures, including fork assemblies for the T90, T100 series, and TR6C, so it shows up under more than one figure title depending on which fork and damper setup your bike has. The older book number for this part is H2108, which shows up as an alias to the current 97-2108 - handy to know if you're cross-referencing an older parts list.
This is a small but specific piece of hardware. If you're rebuilding a steering damper or replacing worn thread on the stem, this is the nut to look for, and it's worth checking your fork and damper figure in the parts book to be sure you've got the right variant for your setup.
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