Description
If you’re serious about reducing rotational mass and sharpening your acceleration, a lightweight rear sprocket is one of the most effective bolt-on upgrades you can make. The Renthal 40-Tooth delivers the weight savings you need—approximately 66% lighter than steel—without sacrificing the durability required for consistent power transfer and long-term reliability. Whether you’re pushing hard on the track or tackling variable terrain, the self-cleaning mud grooves keep your drivetrain performing at peak efficiency.
- Material: 7075-T6 Aluminum
- Tooth Count: 40
- Chain Size: 520
- Position: Rear
- Finish: Anodized
- Weight Reduction: ~66% vs. steel
- Design: CNC-machined
- Self-Cleaning: Mud grooves per tooth
- Fitment: Kawasaki-specific
- Installation: Bolt-on








