(Adding other products will affect these rates)
80A21 sprockets are a ANSI standard size that has 21 teeth and works with #80 roller chain. These sprockets are known as a "Type A", which is a hubless roller chain sprocket. Our 80A21 plate sprockets are a durable, high strength sprocket that is manufactured from 1045CD carbon steel. After manufacturing a black oxide finish is applied for corrosion resistance.