Description
A worn or incorrect rear sprocket directly impacts acceleration, top-end speed, and chain longevity—making sprocket selection critical to your bike’s performance envelope. JT Sprockets deliver precision-engineered durability without unnecessary weight, combining computer-optimized design with heat-treated C45 high-carbon steel to handle sustained racing loads. Whether you’re dialing in gearing for track work or replacing stock components, this 46-tooth sprocket offers the reliability and performance that serious riders demand.
- Fitment: Yamaha-specific
- Tooth count: 46T
- Material: C45 high-carbon steel
- Surface finish: Bead blasted
- Heat treatment: Full hardening process
- Design: Computer-optimized
- Weight: Minimized without compromise
- Installation: Bolt-on replacement
- Quality standard: Motorcycle industry certified
- MPN: JTR479.46








