| Also known as | D530 |
| Diagram | Fig. 10 — CHAINCASE AND CHAINS · ref 3 |
| Subsystem | primary |
| Listed in parts books | 1965, 1967–1968, 1970 |
Rear chain, 3 in. x 3 in. x 104 links
Rear drive chain, 3 in. x 3 in. x 104 links, listed in the parts book as PN 60-0530 (alias D530).
This is the rear drive chain, listed as 3 in. x 3 in. x 104 links, and it shows up in the parts book under the CHAINCASE AND CHAINS figure. The rear chain runs from the gearbox sprocket back to the rear wheel sprocket, carrying the drive out to the road, so it takes the brunt of everyday wear compared to the primary chain up front.
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The catalog carries this one as PN 60-0530, with the legacy letter-prefix form D530 turning up on earlier parts-book listings for the same physical chain. It appears across catalog entries running 1965 to 1970, so if you're working on a bike from that stretch this is the number to check against what's currently on the bike.
Beyond the link count and pitch dimensions given, we don't have more detail on file for this one, no material or finish specs are listed. Chains stretch and wear over time, so it's worth checking chain length and sprocket wear together rather than just swapping one part on its own. Call the shop if you want us to confirm fitment before you order.
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