It is the buyers responsibility to examine all items to determine if an item is safe for use The buyer accepts all responsibility for use of items purchased
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A nice item - the shifter clamp band assembly for a Campagnolo Nuovo Record downtube shifter. This is the early type with the cable guides. If you have a bad clamp band body (common) this is the item you need. Could use some clean-up of old factory grease when you re-assemble using the parts you have.
We think this part is unused but we're not sure. But it's likely it was never mounted on a bike as we see no signs of installation on the band. You get exactly what you see here.