| Also known as | D330 |
| Diagram | CHAINCASE AND CHAINS |
| Subsystem | primary |
| Listed in parts books | Not catalogued by year yet |
Rear chain, 0.625 in. x 0.375 in. x 104 links
Rear drive chain, 0.625 in. x 0.375 in., 104 links, also known by its older D330 part number.
This is a rear drive chain listed at 0.625 in. x 0.375 in. with 104 links, filed under the chaincase and chains section of the parts book. It's the final drive chain that runs from the gearbox sprocket back to the rear wheel sprocket, carrying power from the transmission to the road.
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The old book number for this one is D330, which you'll still see stamped on some earlier parts lists — same physical chain, just the legacy prefix form. Our catalog only shows this part turning up once, tied to 1968, so we don't have a broader spread of years to point to. If your parts book or an older catalog lists D330, you're looking at the same chain under 60-0330 today.
When you're sourcing a replacement, check the pitch and link count against what's actually pulled off the bike before ordering, since chain sizing has to be exact for the sprockets to mesh right.
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