Manufactured from case-hardened chromoly steel for the ultimate in strength and durability. "Parkerizing" surface treatment for rust and corrosion resistance. The excellent OE quality you expect from the SUNSTAR brand.
Constructed of the highest quality 1045 high-carbon steel. Exclusive heat treatment for added strength and wear resistance. Most are zinc plated and have a baked on durable paint process for corrosion resistance. The strongest, longest lasting steel replacement sprocket available. Nearly all motorcycles come equipped from the factory with this sprocket.
Constructed of high quality, aerospace grade 7075-T6 aluminum – extremely lightweight. Utilizes exclusive tooth-valley design which provides 24% more chain contact area for the best power transfer possible. MORE hard anodized coating than any other aluminum sprocket on the street market for added durability and a superb finish – increases life span by about 15% in comparison to other brands. Computer designed weight reduction holes for extra weight reduction.
The evolution of the exclusive Sunstar Works-Z sprocket, now made from the highest quality stainless steel. Weighs up to 50% lighter than standard steel sprockets. 100% heat treated AND even lighter than before with new weight reduction hole cut outs, but still has a hardness 5 times that of an aluminum sprocket and twice that of a standard steel sprocket. Up to 4 times more durable with 1.2 times the lateral strength of any aluminum sprocket. Great self cleaning capabilities due to the offset tooth design, same as the original Works-Z sprocket which extends the life of the entire chain drive system. The lightest STEEL sprocket available on the market.