Vintage Sugino 52T chainring, fits 144mm BCD (old Campy Pista/Strada Track, Sugino Mighty/Super Mighty cranksets, etc).
SHIPS FREE AS A SECOND OR THIRD ITEM via USPS flat-rate packaging. Search my other listings, find whatever parts you want, put them in your basket, click "buy" and pay the single-package rate. It's easy with eBay's "shopping cart". Or, wait for multiple auctions to end and pay for all of those at once. Or, win your auction, then add more stuff to your cart and click the "buy" button.