| Also known as | 110-046-78 |
| Listed in parts books | Not catalogued by year yet |
PRI CHAIN 428 78L 49-53PU
Primary drive chain, 428 pitch, 78 links, for pre-unit era Triumph twins.
This is the primary chain for the pre-unit era covered by this catalog entry, listed as 428 pitch with 78 links. The primary chain is the one that runs inside the primary case, connecting the engine sprocket to the clutch, and it does the work of getting drive from the crank over to the gearbox input.
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The catalog carries this under 60-0120, with 110-046-78 recorded as the same part under a different number scheme. We don't have much more detail on file for this one beyond the chain spec itself, so if you're not certain your primary case and sprockets match up with this pitch and link count, give us a call before you order.
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