Description
A worn or mismatched rear sprocket directly impacts your acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 40-tooth rear sprocket delivers consistent power transfer with minimal wear, engineered from aviation-grade materials to withstand the demands of both track and street riding. This CNC-machined component is precision-finished to exacting tolerances, ensuring reliable engagement and extended service life.
- Material: 7075-T6 aluminum alloy
- Tooth count: 40T
- Fitment: Yamaha (model-specific)
- MPN: JTR1857.40
- Construction: CNC-machined
- Design: Self-cleaning
- Finish: Hand-finished
- Weight: Lightweight
- Installation: Bolt-on
