Description
A worn or inadequate rear sprocket directly impacts acceleration, top-end performance, and drivetrain longevity on your BMW. The JT SPROCKETS 42-Tooth Rear Sprocket delivers computer-optimized strength with minimal weight gain, ensuring reliable power delivery through every gear without sacrificing durability. Built to motorcycle industry standards and engineered for demanding track and street applications, this sprocket is your foundation for consistent, predictable performance.
- 42-tooth configuration
- BMW-specific fitment
- C45 high-carbon steel
- Heat-treated construction
- Bead-blasted finish
- Reduced surface tension
- Computer-designed geometry
- Industry-leading durability
- Bolt-on installation
- MPN: JTR3.42
