The Neptune Helm Sprocket is made from 6061 Aluminum in the USA. Available in lots of sizes and colors with a great retro look. Perfect for those working on a vintage bike yet plenty tough enough for today's style of riding.
****ANODIZING SHADES VARY****
- CNC machined from 6061 aluminum alloy
- Fits 19mm spindle 3-piece cranks with no adapter needed
- Available in many sizes.
- Available in anodized black, blue, red and silver
- MADE IN THE USA