Description
Counter shaft sprockets are critical to your bike’s acceleration and overall drivetrain efficiency. This JT 13-tooth sprocket is engineered for maximum durability under extreme conditions while maintaining the minimal weight necessary for responsive power delivery. Whether you’re upgrading for track performance or rebuilding your transmission, this sprocket delivers the precision fitment and longevity that serious riders demand.
- Tooth Count: 13T
- Position: Counter shaft
- Material: High-grade steel
- Heat-treated construction
- Bead-blasted finish
- Computer-optimized design
- Reduced surface tension
- Industry-leading durability
- Lightweight profile
- MPN: JTF1321.13
- Bolt-on installation
- OEM-equivalent quality






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