JT Rear Steel Sprocket for 520 Chain - 42 Tooth, Model JTR857.42

Upgrade your motorcycle's drivetrain with the JT Rear Steel Sprocket designed specifically for 520 chains. Crafted from premium Japanese 545C high carbon steel, this sprocket offers exceptional durability and performance. Heat treated and meticulously hand finished, it meets or exceeds OEM standards, ensuring reliable operation under demanding conditions. Its robust construction allows it to outlast mild steel or surface-hardened sprockets by two to three times, providing long-term value and dependability. The sprocket features 48 teeth at the rear, aligning with OEM gearing specifications of 48-tooth rear and 21-tooth front sprockets, making it an ideal replacement part for off-road or street bikes. All sprockets in this series are designed with a 530 chain pitch, ensuring seamless integration with your existing chain system. Whether you're replacing worn components or upgrading for enhanced performance, this sprocket offers a high-quality, cost-effective solution for motorcycle enthusiasts. Installation is straightforward, and the sprocket's rugged construction guarantees it will withstand the rigors of riding, providing smooth power delivery and improved longevity for your bike's drivetrain.

Features:

• Top quality at economical prices

• Made exclusively from the finest 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 is 48 Tooth rear and 21 Tooth front

• All sprockets have 530 chain pitch