
JT Sprockets JTA890.45BLK ā Rear sprocket in aluminum 890 ā 520, 45 teeth. Designed for demanding riders, this rear sprocket combines the dark aesthetic of black with the lightweight nature of aluminum. Ideal for 520 transmission roadsters, it replaces the original sprocket while maintaining a standard mounting type.
The choice of aluminum promotes a reduction in rotational weight compared to steel sprockets, while providing good corrosion resistance under normal usage conditions. Its black finish easily integrates into the look of urban and modern roadsters.
Common compatibilities: HUSQVARNA SVARTPILEN 125 (2022, 2023, 2024). Always check the chain pitch and the number of teeth required for your model before installation. Standard replacement part, suitable for common mounting on 520 transmissions.