Sunstar's Works Triplestar line of aluminum rear sprockets have been the most durable, lightweight aluminum series for over 25 years. Made from 7075-T6 aluminum and with an extra-thick hard anodized coating, Sunstar users get 15-20 percentage longer life versus other options. Computer designed weight reduction holes and an exclusive tooth-valley design that provides up to 50 percentage more chain roller contact area results in the lightest, most stable aluminum sprocket possible.

7075 T6 hardened aluminum construction|Computer designed weight reduction holes for stability and lightness|Extra thick, hard anodized coating for 15-20 percentage increase in durability|Exclusive tooth-valley design for more chain contact area, resulting in smoothest power transfer possible and longer sprocket life

PROP 65 WARNING: Cancer and/or reproductive harm - www.P65Warnings.ca.gov