JT Rear Steel Sprocket 40 Tooth for 520 Chains - High-Performance Motorcycle Part

The JT JTR1478.40 rear steel sprocket is designed for motorcycle enthusiasts seeking durability and performance. Crafted from premium Japanese 545C high carbon steel, this sprocket offers exceptional strength and longevity. It is heat treated and hand finished to meet or surpass original equipment manufacturer (OEM) standards, ensuring a precise fit and reliable operation. This construction allows the sprocket to outlast standard mild steel or surface-hardened alternatives by two to three times, providing significant value and extended service life for your motorcycle.
Designed specifically for 520 chain applications, this 40-tooth rear sprocket features a 530 chain pitch, ensuring compatibility with a wide range of bikes. The OEM gearing configuration includes a 48-tooth rear and a 21-tooth front sprocket, optimized for smooth power delivery and efficiency. Whether you're replacing worn components or upgrading for improved performance, this sprocket delivers consistent engagement and durability under demanding riding conditions.
Ideal for riders who demand high-quality parts at an economical price point, the JT JTR1478.40 rear sprocket combines precise manufacturing with robust materials. Its black finish not only adds to its aesthetic appeal but also provides resistance against corrosion and wear, extending the lifespan of the sprocket. Installing this sprocket is straightforward and ensures optimal performance for your motorcycle, whether on the street or off-road adventures.

Features:

• Top quality at economical prices

• Made exclusively from Japanese 545C high carbon steel

• Heat treated and hand finished to meet or exceed OEM standards

• Outlasts mild steel or surface hardened sprockets by two to three times

• OEM gearing includes 48 Tooth rear and 21 Tooth front sprockets

• Designed for 520 chain pitch compatibility