![Sunstar 5-335639; Rear Sprocket Aluminum 39T](http://roco4x4.com/cdn/shop/files/57_407348bc-5fb2-4775-83e7-15e10f7ac8bc_742x700.jpg?v=1715333323)
![Sunstar 5-335639; Rear Sprocket Aluminum 39T](http://roco4x4.com/cdn/shop/files/57_407348bc-5fb2-4775-83e7-15e10f7ac8bc_742x700.jpg?v=1715333323)
Description
Computer designed weight reduction holes for the best combination of lightness, strength and stability. Exclusive tooth-valley design provides up to a 50% better chain roller contact area for the best power transfer possible. A hard anodized coating is ap Sunstar is the largest O.E.M. supplier of sprockets and brake rotors in the world. In fact, your motorcycle probably came from the factory with a Sunstar sprocket. Need a reason to choose Sunstar? Every Sunstar product is imbued with superior quality, uses an exclusive heat-treatment and quenching process, is based on advanced research and design, and is sold at an added value price. Constructed of high quality, aerospace-grade 7075 T-6 aluminum.