RENTHAL Rear Sprocket - Aluminum - 47 Tooth for YZ 65 - Model 121U-420-47GBSI

The RENTHAL 121U-420-47GBSI rear sprocket is engineered for high-performance motocross applications, specifically designed for the YZ 65. Crafted from high-strength 7075-T6 aluminum, this sprocket offers a significant weight reduction of approximately 33% compared to traditional steel options, which enhances overall bike agility and acceleration. Its CNC-machined construction ensures precise fit and durability, providing consistent power transfer and reliable performance under demanding riding conditions. The ultra-light design not only reduces unsprung weight but also helps improve handling and responsiveness during aggressive riding sessions. Featuring a specially designed tooth profile, this sprocket ensures smooth chain engagement, reducing wear and noise while extending the lifespan of both the sprocket and chain. The silver finish adds a sleek aesthetic to your bike's drivetrain, complementing other performance parts and maintaining a professional appearance. Whether you're racing or trail riding, this sprocket is built to deliver optimal power transfer and longevity, making it a preferred choice for serious riders seeking durability and weight savings. Installation is straightforward, and its compatibility with the YZ 65 makes it a reliable upgrade for enhancing your bike’s overall performance and efficiency.

Features:

• CNC-machined construction for precise fit and durability

• Made from high-strength 7075-T6 aluminum for lightweight performance

• Approximate 33% weight reduction compared to steel sprockets

• Special tooth profile for smooth chain engagement and longer wear

• Sleek silver finish for aesthetic appeal

• Designed specifically for Yamaha YZ 65 models

• Reduces unsprung weight to improve handling and acceleration

• Optimized for high-performance motocross riding

• Easy installation with reliable performance over time