REAR SPROCKET JTR257.40 JT 420
REAR SPROCKET JTR257.40 JT 420. Built from premium C49 high-carbon steel for long wear. Precision manufacturing for exact OEM fit. Consistent power transfer and sprocket tooth profile accuracy. Engineered for durability in street, track, and off-road use. Material: C49 high-carbon steel. Tooth count: 36. Drive chain pitch: 420. Colour: Black.
- SKU
- SR257-40.S.JT
- Brand
- JT
- Availability
- In Stock (2)
FULL DESCRIPTION
JT Rear Sprocket JTR257.40 - 420 Pitch
Upgrade your motorcycle or ATV's performance with the JT Steel Rear Sprocket. Crafted from premium C49 high-carbon steel, this sprocket is engineered for exceptional durability and long-lasting wear, ensuring reliable power transfer mile after mile.
The precision manufacturing guarantees an exact OEM fit, making installation straightforward. With a wide range of applications, JT sprockets are a trusted choice for riders seeking dependable performance on the street, track, or off-road.
Key Features:
- Constructed from C49 high-carbon steel for superior wear resistance.
- Precision manufacturing ensures an exact fit.
- Delivers consistent power transfer and accurate tooth profile.
- Designed for durability in all riding conditions.
Specifications:
- Material: C49 High-Carbon Steel
- Tooth Count: 40
- Chain Pitch: 420
- Color: Black


