Description
A properly sized counter shaft sprocket is fundamental to your bike’s acceleration curve and overall drivetrain efficiency. The JT Sprockets 12-Tooth Counter Shaft Sprocket delivers the precision engineering and durability demanded by racers and serious riders who refuse to compromise on performance. Built with computer-optimized design and premium heat-treated materials, this sprocket maintains strength under extreme load while keeping rotating mass to a minimum—exactly what you need for crisp throttle response and reliable power delivery.
- Tooth Count: 12T
- MPN: JTF1906.12
- Material: Heat-treated steel
- Surface Finish: Bead-blasted
- Design: Computer-optimized
- Strength-to-Weight: Minimal excess mass
- Quality Standard: Motorcycle industry certified
- Installation: Bolt-on replacement
- Application: Counter shaft fitment









