The Neptune Helmsprocket is USA made fromlightweight, thick, and strong6061 aluminum alloy. It has 3/32″ teeth and a 19mm bore; it will only fit cranks with a 19mm spindle. This sprocket has an anodized finish and laser etched logos.Neptune sprockets are made in the USA!

Size: 39t
Color:Red

This item shows a stock photo. You WILL receive the color and size described above.