JT Sprockets 13-Tooth Countershaft Sprocket (JTF428.13)

The JT Sprockets JTF428.13 Countershaft Sprocket is engineered for dependable motorcycle drivetrain performance. Its computer-designed profile delivers high strength while minimizing weight, making it a practical replacement for riders and technicians seeking consistent power transfer and long-term durability. The 13-tooth configuration is designed for compatible 428 chain applications and helps restore proper engagement between the countershaft and chain.
Built with precision manufacturing standards, this JT Sprockets replacement sprocket supports smooth operation and reliable fitment when matched to the correct motorcycle application. Its lightweight design helps reduce unnecessary rotating mass without compromising the strength required for everyday riding, commuting, touring, or performance use. Always confirm your motorcycle’s year, make, model, chain size, and original sprocket specifications before installation.
Installation should be completed with the appropriate tools and according to the motorcycle manufacturer’s service procedures. Inspect the chain and rear sprocket at the same time, since worn drivetrain components can accelerate wear on a new countershaft sprocket. The JT Sprockets JTF428.13 offers a reliable, application-specific solution for maintaining efficient and confident drivetrain performance.

Features:

• Brand: JT Sprockets

• Part Number: JTF428.13

• Sprocket Position: Countershaft

• Tooth Count: 13 teeth

• Chain Compatibility: Designed for compatible 428 chain applications

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

• Application: Replacement motorcycle drivetrain component

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