



JTF1591.16 - JT Sprockets standard steel sprocket, specially designed for the transmission of modern roadsters. Whether you are replacing a worn sprocket or modifying the gearing, this 1591 sprocket offers a reliable and easy-to-install solution. Wear part-oriented design: robust, unembellished, for a controlled chain/crown relationship.
CNC machined from high-strength steel (SMC420), this sprocket prioritizes assembly precision and wear resistance. Ideal for maintaining consistent transmission behavior and ensuring proper chain alignment without compromise. Compatible with the original configurations for roadsters listed below.
Compatible motorcycles (examples): YAMAHA R9 (2025 - 900 cc), YAMAHA MT-09 Y-AMT (2025 - 850 cc), YAMAHA MT-09 SP (2025 - 850 cc).