Description
A worn or undersized counter-shaft sprocket compromises throttle response and chain durability, directly affecting your bike’s acceleration and overall drivetrain longevity. JT’s 17-tooth design pairs precision engineering with proven OEM-grade materials to deliver smooth power delivery while minimizing chain wear and impact stress. This is the sprocket choice trusted by major Japanese manufacturers—engineered to perform without compromise.
- MPN: JTF512.17RB
- Teeth: 17-tooth counter-shaft
- Material: C45 steel / SCM415 chromoly
- Finish: Black zinc induction-hardened
- Hardness: 38–50 HRC
- Design: Rubber-cushioned front (RB)
- Surface treatment: Bead-blasted
- Weight: Optimized for strength
- Installation: Bolt-on replacement
- OEM quality: Motorcycle manufacturer-approved
- Fitment: Vehicle-specific — verify clearance before installation
