



JT Sprockets JTF1591.15RB — 15-tooth steel sprocket designed for the transmission of roadsters equipped with a 525 chain. This JT SPROCKETS sprocket combines a high-strength SMC420 steel alloy and CNC machining for a precise and consistent chain part. The profile incorporates a noise-reducing treatment to minimize transmission noise and provide a smoother ride without compromising durability.
Ideal for replacement or gearing modification operations, this sprocket is aimed at riders who want a solid and well-finished drive component. Compatible with the roadster universe, it fits many modern models while maintaining a lightweight design optimized to reduce unsprung mass.
Compatibility examples (to be verified according to installation and year):