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 Silver Grooved 51-Tooth Sprocket is engineered for high-performance motorcycle applications. Crafted with precision, this sprocket features a lightweight design that reduces rotational mass, enhancing acceleration and overall handling. The silver grooved finish not only provides a sleek appearance but also offers durability and corrosion resistance, ensuring long-lasting performance in demanding riding conditions. Designed for easy installation, it is suitable for a variety of off-road and motocross bikes, offering reliable power transfer and improved drivetrain efficiency.
Constructed from high-quality materials, the sprocket maintains strength and integrity under rigorous use. Its grooved design helps to shed mud and debris, maintaining optimal grip and reducing buildup during off-road adventures. The 51-tooth configuration provides a good balance between top speed and torque, making it a versatile choice for riders seeking enhanced performance. Whether you're replacing worn components or upgrading for a competitive edge, this sprocket delivers consistent, dependable results.
Overall, the Renthal 189U-420-51GRSI rear sprocket is an excellent upgrade for motorcycle enthusiasts who demand durability, lightweight construction, and precise fitment. Its easy installation process and robust design make it a popular choice among riders looking to optimize their bike's performance without sacrificing reliability.
Features:
- Lightweight design reduces rotational mass for improved acceleration
- Silver grooved finish offers durability and corrosion resistance
- Constructed from high-quality materials for strength and longevity
- Grooved surface helps shed mud and debris for consistent grip
- 51-tooth configuration balances top speed and torque
