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 Rear Ultralight Grooved 40-Tooth Sprocket is engineered for high-performance dirt bike and motocross applications, providing durability and reduced weight for enhanced handling. Crafted with precision, this sprocket features a grooved design that improves chain grip and reduces wear, ensuring a longer lifespan and smoother power transfer. Its lightweight construction allows for quick acceleration and responsive control, making it an ideal upgrade for serious riders seeking to optimize their motorcycle's performance.
Constructed from high-quality materials, the Renthal 437U-520-40GBSI sprocket maintains strength under demanding conditions while minimizing unnecessary weight. The silver finish not only offers a sleek aesthetic but also provides corrosion resistance, ensuring reliable performance over time. This sprocket is compatible with 520 chain systems and is easy to install, making it a practical choice for both professional racers and dedicated hobbyists.
Whether you are replacing your worn-out sprocket or upgrading for better performance, the Renthal Rear Ultralight Grooved 40T Sprocket offers the perfect balance of durability, weight savings, and reliability. Its design is optimized to improve drivetrain efficiency, helping riders achieve quicker throttle response and smoother power delivery on the trail or track. Invest in this premium component to enhance your motorcycle's overall performance and enjoy improved control during your rides.
Features:
- Grooved design enhances chain grip and reduces wear
- Lightweight aluminum construction for improved acceleration
- Silver finish provides corrosion resistance and sleek appearance
- Compatible with 520 chain systems for versatile use
- Designed for high-performance motocross and dirt bike applications
