Description
A properly sized rear sprocket is critical to maximizing your Yamaha’s acceleration, top-end speed, and overall power delivery. This 42-tooth JT sprocket delivers the precision engineering required for consistent performance, whether you’re tracking your bike or pushing hard on the street. With aviation-grade construction and meticulous hand-finishing, you’ll experience improved chain engagement and extended sprocket lifespan compared to inferior alternatives.
- Material: Aviation-grade 7075-T6 aluminum
- Tooth count: 42-tooth
- Fitment: Yamaha rear wheel
- Construction: CNC-machined
- Design: Self-cleaning
- Finish: Hand-finished
- MPN: JTR1857.42
- Installation: Bolt-on
