REAR SPROCKET JTR1857.40 STEEL SR1857-40
REAR SPROCKET JTR1857.40 STEEL SR1857-40. Built from premium C49 high-carbon steel, JT Steel Sprockets deliver OEM-level precision and durability. With 2,500+ fitments for motorcycles and ATVs, they offer long life, exact fit, and dependable power transfer mile after mile. Features include C49 high-carbon steel rears for long wear, precision manufacturing for exact OEM fit, broad coverage with 2,500+ motorcycle and ATV applications, consistent power transfer, and sprocket tooth profile accuracy. Engineered for durability in street, track, and off-road use. Specifications: Material: C49 high-carbon steel, Tooth count: 40, Drive chain pitch: 520, Colour: Black.
- SKU
- SR437-40.S.JT
- Brand
- JT
- Availability
- In Stock (2)
FULL DESCRIPTION
JT Rear Steel Sprocket JTR1857.40 - Black
This rear sprocket from JT is engineered for optimal performance and longevity. Constructed from premium C49 high-carbon steel, it offers exceptional wear resistance and durability for various riding conditions, including street, track, and off-road applications. Its precision manufacturing ensures an exact fit, replicating OEM standards for reliable power transfer and consistent performance mile after mile.
Key Features:
- Material: Crafted from C49 high-carbon steel for extended wear life.
- Precision Fit: Manufactured with precision to match OEM specifications.
- Durable Construction: Engineered for robust performance in diverse environments.
- Consistent Power Transfer: Ensures efficient and reliable delivery of power.
- Tooth Count: Features 40 teeth.
- Chain Compatibility: Designed for a 520 drive chain pitch.
- Color: Presented in a sleek black finish.


