Description
A worn or undersized rear sprocket directly impacts your bike’s acceleration, top-end power delivery, and overall driveability. The JT Sprockets 42-tooth rear sprocket is engineered to withstand high-load racing conditions while maintaining minimal rotational mass—critical for both street performance and track applications. With JT’s proven manufacturing process and premium C45 high-carbon steel construction, you’re investing in reliable power transfer that won’t skip, stretch, or fail when you need it most.
- Fitment: Kawasaki/Yamaha motorcycles
- Tooth count: 42T
- Material: C45 high-carbon steel
- Heat-treated construction
- Bead-blasted finish
- Computer-optimized design
- OEM-equivalent quality
- Bolt-on installation
- MPN: JTR486.42
