Description
A worn or undersized counter shaft sprocket directly impacts your bike’s acceleration, top-end performance, and overall drivetrain efficiency. The JT Sprockets 15-tooth counter shaft sprocket delivers computer-optimized geometry that maximizes power transfer while maintaining the lightweight construction serious riders demand. Built to industry-leading standards with precision heat treatment, this sprocket ensures consistent performance lap after lap without premature wear or failure.
- Tooth Count: 15T
- Fitment: Vehicle-specific
- Material: High-grade steel
- Construction: Heat-treated
- Surface Finish: Bead-blasted
- Design: Computer-engineered
- Weight: Optimized minimum
- Installation: Bolt-on replacement
- Quality Standard: Exceeds OEM
- MPN: JTF580.15









