Renthal UltraLight Rear Chainwheels are CNC machined 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. A 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 many factory race team machines.
The Renthal UltraLight Rear Chainwheel, model 397U-520-37P-HA, is engineered for high-performance powersports applications. Crafted from CNC-machined 7075 T6 aluminum, this sprocket offers exceptional strength combined with a weight reduction of approximately 66% compared to traditional steel components, enhancing overall vehicle agility and acceleration. Designed with precision, it ensures a perfect fit and optimal load distribution, thanks to computer-engineered tooth profiling that maximizes power transfer during aggressive riding or racing conditions.
Constructed with high-strength base material and advanced manufacturing techniques, the Renthal rear sprocket features a durable surface treatment to withstand the rigors of off-road and track environments. Its lightweight design contributes to reduced rotational mass, improving throttle response and handling. Suitable for a variety of powersports machines, this sprocket's 76-tooth configuration and 100 PCD bolt pattern make it compatible with many popular setups, ensuring reliable performance on the trail or racecourse.
Whether upgrading your existing drivetrain or building a race-ready setup, the Renthal 520-37P rear sprocket delivers the durability, precision, and weight savings needed for competitive riding. Its meticulous engineering and high-quality materials make it a trusted choice among professional racers and enthusiasts alike, helping you achieve maximum efficiency and power transmission with every ride.
Features:
- Constructed from CNC-machined 7075 T6 aluminum for high strength and lightweight performance
- Approximately 66% lighter than steel sprockets, improving acceleration and handling
- Computer-engineered tooth profile for precise fitment and maximum power transfer
- High-strength base material with durable surface treatment for long-lasting wear resistance
- Compatible with 76-tooth, 100 PCD bolt pattern for versatile installation
US Dollars
