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 very nice Campagnolo Nuovo Record 42 tooth chainring. It was mounted and we see a few marks on it (shopwear and some adhesive residue) but we don't see evidence that it was actually ever used! Nice NR 42's seem to be going for $100+ so if you want to complete an NOS crank with a 42 ring, or you want a cost -effective new ring, here is a nice opportunity! You get the exact ring shown in the photos.