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JT SPROCKETS Ultra-Light Aluminum Sprocket 853 - 520 (Ref. JTA853.40BLK)
Designed for demanding off-road riders, this JT Sprockets sprocket features a lightweight and durable construction made from 7075-T6 aluminum (Ergal). Its ultra-light design reduces unsprung mass at the rear end while maintaining a standard geometry suitable for 520 transmissions. The discreet and durable black finish provides a sleek look for motocross bikes.
Ideal for quick replacement or adjusting the gearing without adding weight to the rear wheel. Meeting the expectations of motocross enthusiasts, it fits common transmissions and installs like an original sprocket. Check compatibility with your model and current tooth count before installation.
Examples of compatible motorcycles: YAMAHA YZ 400 F (1998), YAMAHA WR 400 F (1998), YAMAHA YZ 250 (1998). Manufacturer reference: JTA853.40BLK.
