Details
| Diagram | Fig. 21 — HANDLEBARS AND CONTROL LEVERS T20SS AND T20SH · ref 21 |
| Subsystem | controls |
| Listed in parts books | 1960–1968 |
Thumb nut
A finger-tightened thumb nut used in the handlebar and control lever assembly.
PN · 18/839
This is a thumb nut, the kind you can tighten or loosen with your fingers without reaching for a wrench. It shows up repeatedly in the handlebar and control lever sections of the parts books, so it's doing adjustment or clamping duty somewhere around the bars or levers where an owner would need to make quick changes out on the road.
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