Sunstar Sprockets

Sunstar is the largest OEM supplier of motorcycle and all terrain vehicle sprockets and brake discs in the world. In fact, your bike probably came from the factory with Sunstar. Trusted on more brands than any other, Sunstar offers the best combination of lightweight, strength, quality, and durability. This is why Sunstar sprockets come installed on more makes of motorcycles and all terrain vehicles than any other. Designed and built with precise fit, Sunstar delivers the ultimate performance for all off-road and on-road and racing applications. Fit your quad with the brand that the engineers who designed it trust.

-Sunstar's standard steel replacement sprockets are the most reliable and durable options available. Crafted from premium S45C Carbon Steel, each sprocket undergoes an exclusive heat treatment process, enhancing both strength and wear resistance. Trusted by Original Equipment Manufacturers (OEMs) for nearly 60 years, Sunstar sprockets deliver exceptional durability. Additionally, Sunstar’s zinc-plated rear sprockets are coated with a baked-on, durable paint finish, providing superior corrosion resistance. Strong, durable, and reliable – Sunstar sprockets are built to last.

-Sunstar aluminum sprockets are crafted from premium 7075-T6 aerospace-grade aluminum, offering exceptional strength and durability. The lightweight rear sprocket features strategically placed mud grooves at the base of the teeth, improving performance in various riding conditions. Sunstar’s exclusive tooth-valley design increases chain roller contact by up to 50%, which results in extended life for your drive components. Trusted by championship-level riders and teams for over 25 years, Sunstar continues to deliver top-tier performance.

-Introducing the 8-3540 Z Sprocket—the game-changing, stainless steel rear sprocket designed specifically for ATV enthusiasts who demand superior performance. Crafted to revolutionize your ride, this isn’t just any sprocket. This is Sunstar’s WORKS Z—an engineered masterpiece built for extreme longevity and ultimate toughness. The Ultimate rear sprocket Upgrade!

• Durability Like No Other: Made from 100% heat-treated SUS410db stainless steel, this sprocket outlasts traditional steel by up to 3 times and aluminum by a jaw-dropping 10 times. Whether you're hitting the trails, mud, or rocks, the WORKS Z Sprocket is your trusted partner for maximum endurance.
• Self-Cleaning, Off-Set Tooth Design: Say goodbye to mud, dirt, and debris buildup. The unique off-set tooth design acts as a built-in cleaning system, preventing grime from accumulating and ensuring smoother, longer-lasting performance. This means less maintenance and more riding. Engineered for Tough Conditions: Designed for extreme riding, the 8-3540 Z Sprocket withstands the harshest environments. From wet and muddy trails to rocky, dusty paths, this sprocket keeps your ATV's drive system running like new.
• Prolongs the Life of Your Chain and Sprocket: Thanks to its innovative design and corrosion-resistant properties, the 8-3540 Z Sprocket not only extends the lifespan of itself but also protects and prolongs the life of your chain.
• Upgrade your ATV's performance with the Sunstar WORKS Z Sprocket 8-3540 Z—because when you ride hard, you need gear that works harder. Don't settle for the ordinary. Elevate your ATV to withstand the toughest conditions, ride after ride.