JT Sprockets 12-Tooth Countershaft Sprocket (JTF1590.12)

The JT Sprockets JTF1590.12 Countershaft Sprocket is engineered to deliver dependable drivetrain performance with a strong, lightweight design. Developed using advanced computer modeling, this 12-tooth front sprocket balances strength, durability, and efficient power transfer for demanding motorcycle applications. Its precise tooth profile supports smooth chain engagement and consistent operation throughout the service life of the drivetrain.
Built to meet or exceed rigorous quality standards, the JT Sprockets JTF1590.12 is manufactured from premium materials selected for durability and reliable performance. Front sprockets use high-quality Japanese C45 high-carbon steel and SCM415 chromoly steel alloy, providing excellent resistance to wear and fatigue under normal riding and performance conditions. This construction helps the sprocket maintain its profile while supporting dependable chain and sprocket operation.
The JT Sprockets JTF1590.12 12-tooth countershaft sprocket is a practical replacement choice for riders, technicians, and powersports professionals seeking consistent fit and long-lasting drivetrain service. Pair it with a properly matched chain and rear sprocket, and follow the motorcycle manufacturer’s installation and maintenance procedures for the best results. JT Sprockets combines leading-edge technology, quality materials, and competitive engineering to provide reliable replacement components for a wide range of applications.

Features:

• Brand: JT Sprockets

• Part Number: JTF1590.12

• Application: Countershaft or front motorcycle sprocket

• Tooth Count: 12 teeth

• Material: Japanese C45 high-carbon steel and SCM415 chromoly steel alloy

• Construction: Computer-designed for high strength with minimized weight

• Quality: Manufactured to meet or exceed stringent quality standards

• Performance: Supports smooth chain engagement and dependable power transfer

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