Sunstar Rear Aluminum Sprocket 42T for Yamaha 520 Chains - High Performance and Durability

The Sunstar Rear Aluminum Sprocket with 42 teeth is engineered for Yamaha motorcycles using 520 chain sizes. Crafted from aerospace-grade 7075-T6 aluminum, this sprocket offers an optimal balance of strength and lightweight performance, making it ideal for riders seeking enhanced power transfer and agility. The computer-designed weight reduction holes further decrease weight without compromising structural integrity, ensuring efficient acceleration and handling. Its exclusive tooth-and-valley design provides 24% more chain contact area, which translates into improved power transfer efficiency and increased resilience against chain impact stress. This results in a sprocket that is not only high-performing but also virtually indestructible under demanding riding conditions. The hard anodized coating enhances the sprocket's durability by providing a tough, corrosion-resistant surface, ensuring longevity and sustained performance over time. Installation is straightforward, making this sprocket a reliable upgrade for Yamaha riders looking to optimize their drivetrain performance and durability. Whether for racing or everyday riding, the Sunstar 42T aluminum rear sprocket offers a significant upgrade in strength, weight savings, and efficiency to match your high-performance motorcycle setup.

Features:

• Made from aerospace-grade 7075-T6 aluminum for high strength and light weight

• Computer-designed weight reduction holes for decreased weight

• Exclusive tooth-and-valley design increases chain contact area by 24% for better power transfer

• Large contact area helps distribute chain impact stress, enhancing durability

• Hard anodized coating provides a super durable finish for long-lasting performance