Description
The Renthal Ultralight Rear Sprocket is a high-performance upgrade designed for motocross, supercross, and enduro racing. Precision CNC-machined from 7075-T6 aluminum alloy, it is 66% lighter than steel while maintaining exceptional durability. The advanced tooth profile enhances power transfer and prolongs chain life, while self-cleaning mud grooves at each tooth help prevent dirt buildup for consistent performance. Engineered to exacting tolerances, this sprocket ensures optimal fitment and load distribution. Finished in green, it features 51 teeth and is compatible with 520 chains. Designed for 2004-2023 Kawasaki KX 125, 2-Stroke, X, XC, and KX450XC models.








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