Description
A worn or incorrect front sprocket directly impacts your bike’s acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 12-Tooth Counter Shaft Sprocket delivers computer-optimized design that maximizes strength while keeping rotational mass minimal—critical for responsive throttle response and reduced parasitic losses. Whether you’re fine-tuning gearing for track performance or replacing OEM wear, this precision-engineered sprocket meets the durability standards demanded by professional racers and serious enthusiasts alike.
- Material: C45 high-carbon steel / SCM415 chromoly
- Tooth Count: 12T
- MPN: JTF565.12SC
- Design: Computer-optimized geometry
- Manufacturing: Precision-engineered for strength-to-weight ratio
- Quality Standard: Exceeds highest industry specifications
- Application: Counter shaft (front sprocket)
- Installation: Bolt-on replacement









