Vintage New Cogs.

5 Winner model, 1 Pro-Compe.

19 tooth, threaded, 43mm diameter.

16 tooth, threaded, 45mm diameter, Gold.

15 tooth, “piggyback”, 38 & 39mm diameter.

13 tooth, “piggyback”, 38 & 34.5mm diameter.

13 tooth, “piggyback”, 38 & 34.5 mm diameter.

12 tooth, 34.5 mm diameter.

Diameters are threading.

Questions welcomed.

Breaking up set is possible.