| Also known as | S1800 |
| Diagram | Fig. 14 — ENGINE UNIT FITTINGS AND FOOTRESTS · ref 16 |
| Subsystem | frame |
| Listed in parts books | 1970 |
FOOTREST STUD 65-70 20TPI
Footrest mounting stud, 20TPI thread, listed for 65-70 model years in the catalog.
This is a footrest stud, catalog number 21-1800, also listed under the older S1800 designation. It's the threaded stud that a footrest mounts onto, coming out of the engine unit fittings area of the bike as shown in the parts book under engine unit fittings and footrests.
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The description carries a 20TPI thread pitch call-out and a diameter reference from other catalog listings, so this is a specific-thread stud rather than a generic bolt — worth checking against what's currently in your footrest mount before ordering a replacement.
We don't have a lot more detail on this one beyond what's in the books. If you're not sure which stud your bike takes, give us a call and we'll help sort it out before you order.
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