Description
A worn or incorrect rear sprocket directly impacts your bike’s acceleration, top-end speed, and overall driveability. The JT Sprockets 42-tooth rear sprocket is engineered to deliver consistent power transfer with minimal drivetrain losses, whether you’re pushing hard on the track or dialing in the perfect gearing for your riding style. By upgrading to a precision-manufactured sprocket, you’ll notice sharper throttle response and improved chain longevity due to JT’s superior material science and heat-treatment process.
- Tooth count: 42T
- Material: C45 high-carbon steel
- Process: Heat-treated and bead-blasted
- Fitment: Honda/Yamaha (JTR245/2.42)
- Strength-to-weight ratio: Computer optimized
- Surface finish: Bead-blasted
- Industry standards: Exceeds OEM specs
- Installation: Bolt-on replacement
- Quality certification: Meets highest motorcycle industry standards
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