Description
A lightweight front sprocket is critical to optimizing your powerband and acceleration off the line. The JT Sprockets 13-tooth counter shaft sprocket delivers the strength needed for aggressive riding while maintaining minimal rotational mass—giving you faster throttle response and reduced engine strain. Built from premium Japanese materials and computer-engineered for durability, this is a bolt-on upgrade that serious racers and performance builders trust.
- Tooth Count: 13T
- Material: C45 high carbon steel
- Alloy Option: SCM415 chromoly
- Design: Computer optimized
- Strength: Maximum, minimum weight
- Quality Standard: Exceeds OEM
- Installation: Bolt-on
- MPN: JTF563.13









