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JT SPROCKETS ultra-light aluminum sprocket 853 - 520: lightweight and designed for off-road use, this JT sprocket provides a simple solution to the gearing needs of motocross bikes. Machined from aerospace aluminum 7075-T6 (Ergal), it combines lightness and strength for those looking for a high-performance replacement part without adding weight to the rear of the motorcycle.
The finish includes a treatment that facilitates the removal of debris and mud, useful in motocross conditions to limit accumulation around the rear end. When installed as a replacement, this sprocket allows you to adjust the gearing according to your usage (acceleration, responsiveness, or top speed) while maintaining the standard 520 architecture.
Common compatibility: YAMAHA YZ 400 F (1998), YAMAHA WR 400 F (1998), YAMAHA YZ 250 (1998) — please check the spacing and mounting on your model before installation.
Manufacturer reference: JTA853.50BLK
