Renthal Aluminum Rear Sprocket with 39 Teeth for Yamaha - Model 437U-520-39GBSI

The Renthal 437U-520-39GBSI rear sprocket is crafted from premium 7075-T6 aluminum alloy, ensuring a balance of strength and lightweight performance. Its CNC-machined construction guarantees precise fitting and a high-quality finish, while the self-cleaning mud grooves at each tooth help to reduce debris buildup, extending wear life and maintaining optimal performance. Designed specifically for Yamaha motorcycles, this sprocket offers a significant reduction in weight, being 66% lighter than traditional steel options, without compromising durability. This ultralight design improves acceleration and handling, making it ideal for riders seeking enhanced responsiveness and agility. Easy to install, this sprocket seamlessly integrates into your bike’s drivetrain, providing lasting performance under demanding conditions.

Features:

• Constructed from CNC-machined 7075-T6 aluminum alloy for durability and lightweight performance

• Self-cleaning mud grooves at each tooth help to prevent debris buildup and reduce wear

• Ultralight design reduces weight by 66% compared to steel sprockets, improving acceleration and handling

• Precisely engineered for Yamaha motorcycles, ensuring a perfect fit and reliable operation

• Optimized for high-performance riding and long-lasting durability