Renthal UltraLight Rear Chainwheel for Yamaha MT-07, 2026 YZF-R7, and Tracer 7 | Part Number 519U-520-43P

Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer. With Renthal's combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see why Renthal’s light weight all aluminum rear sprockets can be found on the rear wheels of more factory race team machines than all other competing brands combined.

The Renthal UltraLight Rear Chainwheel, part number 519U-520-43P, is designed to enhance your powersports experience with its exceptional lightweight construction and precision engineering. CNC machined from high-grade 7075 T6 aluminum in Manchester, UK, this chainwheel offers a significant weight reduction—approximately 66% lighter than traditional steel sprockets—without compromising strength or durability. Its lightweight design contributes to improved acceleration, handling, and overall performance, making it an ideal upgrade for competitive riders and enthusiasts alike.
The chainwheel features computer-engineered tooth profiling that ensures a precise fit, optimal load dispersion, and maximum power transfer. Concentricity is meticulously maintained during manufacturing, which translates to smoother operation and longer wear life. Hardwearing surface treatments further enhance its resistance to harsh conditions, extending the lifespan of the component even under demanding riding environments.
Designed for compatibility with Yamaha MT-07, 2026 YZF-R7, and Tracer 7 models, this rear sprocket seamlessly integrates into your motorcycle's drivetrain. Its durable construction and precise manufacturing process mean you can rely on consistent performance, efficient power delivery, and reduced rotational weight. Whether for racing or recreational riding, the Renthal UltraLight Rear Chainwheel delivers a combination of high strength, lightweight design, and dependable performance, making it a popular choice on factory race team machines and among serious riders worldwide.

Features:

• CNC machined from 7075 T6 aluminum for high strength and light weight

• Approximately 66% lighter than steel sprockets for improved acceleration

• Computer-engineered tooth profiling for precise fitment and maximum power transfer

• Concentricity maintained to ensure smooth operation and load dispersion

• Hardwearing surface treatments for extended durability and resistance to harsh conditions