The Neptune BMX Helm chainwheel is made from lightweight, thick and strong 6061 aluminum alloy:

• Fit 19mm spindle 3-piece cranks with no adapter needed
• Logos are laser etched on the side of the chainwheel
• Material: 6061 Aluminum
• Weight: 33T -   97.3 grams / 3.43 ounces
              43T - 158.6 grams / 5.60 ounces          

MADE IN THE USA!!!