Description
A lightweight front sprocket is critical for optimizing your bike’s acceleration and throttle response—and this 11-tooth JT sprocket delivers the precision engineering necessary for consistent engagement under hard acceleration. Computer-designed for maximum strength with minimal weight, the JTF1439.11 uses premium Japanese C45 high carbon steel and SCM415 chromoly to withstand the demands of professional racing and high-performance riding. When every millisecond counts, a quality sprocket from a trusted manufacturer makes the difference between winning and falling behind.
- 11-tooth counter shaft sprocket
- JT OEM-equivalent quality
- C45 high carbon steel construction
- SCM415 chromoly alloy option
- Computer-designed geometry
- Lightweight, high-strength profile
- Exceeds OEM quality standards
- Precise tooth profile
- Professional-grade durability
- Meets racing specifications









