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High-Performance Sunstar Aluminum Rear Sprocket

Maximize your Yamaha's power delivery with the Sunstar 40T 520 Aluminum Rear Sprocket. Engineered for competitive motocross and off-road racing, this sprocket is crafted from high-grade aircraft aluminum to provide an optimal balance between weight reduction and structural integrity. By minimizing unsprung weight, you will experience improved acceleration and sharper handling on the track.

Key Features and Benefits

• Precision Machined: CNC-cut for exact tooth profile to ensure smooth chain engagement and reduced friction.
• Lightweight Design: Aerospace-grade aluminum construction significantly reduces rotating mass.
• Enhanced Durability: Hard-anodized finish provides superior resistance to wear and debris buildup.
• Perfect Fitment: Specifically designed for Yamaha 520 chain conversions and standard setups.

Whether you are looking to fine-tune your gear ratios for a specific track or simply need a reliable, high-performance replacement, this Sunstar sprocket delivers consistent results. The 40-tooth configuration is ideal for riders seeking a balance between top-end speed and mid-range punch. Its advanced tooth geometry ensures that your power is transferred efficiently to the rear wheel, allowing for smoother shifts and more predictable power delivery under heavy loads. Trust the quality of Sunstar components for your next race build. Find all your essential drivetrain upgrades and performance parts at GGCRACING.