Description
A counter shaft sprocket is critical to your bike’s power delivery and acceleration characteristics. The JT Sprockets 17-tooth design optimizes gear ratio geometry for precise throttle response and improved chain engagement under hard acceleration. Computer-aided design ensures you’re getting maximum strength without unnecessary weight—essential for racers who demand reliability without compromise.
- Tooth count: 17
- MPN: JTF512.17
- Computer-designed geometry
- Optimized strength-to-weight ratio
- Premium sprocket construction
- OEM-equivalent fitment
- Proven JT durability
- Direct bolt-on installation









