
JT Sprockets ultra-light aluminum sprocket, designed for riders seeking a lightweight and durable transmission part. Made from Ergal 7075-T6 alloy (aerospace aluminum), this 520 sprocket with 43 teeth offers an excellent stiffness-to-weight ratio for replacement or gearing modification on roadsters and small road trails.
This sprocket is suitable for direct replacement or for adjusting the gearing to refine engine response and chain behavior. Its black finish provides a sleek and sporty look while protecting the alloy. Particularly suitable for Kawasaki Ninja 250 R (EX250K) of the listed model years as well as many roadsters equipped with 520. Always check compatibility with your vehicle before installation (number of teeth and pitch).