A worn or mismatched countershaft sprocket directly impacts your motorcycle's power delivery and acceleration characteristics. This 16-tooth JT sprocket restores crisp throttle response and maintains consistent gear ratios critical for track performance...

A worn or undersized countershaft sprocket robs your Yamaha of acceleration and throttle responsiveness. This 16-tooth sprocket restores crisp power delivery and optimizes your gearing for aggressive riding, whether you're on the track or pushing harder...

A 15-tooth countershaft sprocket is essential for maximizing acceleration and throttle response on your KTM, delivering quicker power delivery off the line. Precision-engineered from SCM420 chromoly steel, this JT sprocket resists wear and fatigue while...

A properly-sized countershaft sprocket is essential for optimizing your KTM's power delivery and acceleration characteristics. This 15-tooth configuration provides the ideal balance between throttle response and mid-range punch, making it the go-to...

A worn or damaged countershaft sprocket directly compromises your engine's power delivery and acceleration response. This JT Sprockets 14-tooth unit restores precise gear engagement, ensuring consistent chain tension and predictable acceleration curves...

A countershaft sprocket is fundamental to your drivetrain's efficiency and responsiveness. This 15-tooth JT sprocket is computer-optimized to deliver maximum strength without unnecessary weight—critical for racers and performance builders who demand...

Upgrading your countershaft sprocket is one of the most direct ways to tune your Ducati's acceleration and top-end performance. The 16-tooth design shifts your power band forward, giving you quicker throttle response and stronger mid-range pull without...

If you're running a Yamaha and want sharper throttle response with quicker acceleration out of corners, your countershaft sprocket is the first place to look. This 16-tooth JT Sprockets unit delivers the gearing optimization you need while maintaining...

A worn or damaged countershaft sprocket directly impacts your bike's acceleration, engine response, and overall drivetrain efficiency. The JT Sprockets 15-tooth countershaft sprocket is engineered to restore crisp power delivery and reliable engagement,...

The countershaft sprocket is a critical drivetrain component that directly affects your DRZ125/L's acceleration, top speed, and overall power delivery. A worn or damaged sprocket will cause chain slippage, poor shifting response, and accelerated wear on...

A precision countershaft sprocket is critical to your XR/XL250's power delivery and chain longevity. JT Sprockets' 13-tooth design combines computer-optimized tooth geometry with induction-hardened steel to handle aggressive acceleration while minimizing...

Whether you're chasing lap times or maximizing everyday ride quality, your countershaft sprocket directly impacts acceleration response and engine efficiency. The JT Sprockets 15-tooth design delivers quicker throttle engagement with less rotational...

The countershaft sprocket is a critical drivetrain component that directly affects your GSXR1000's acceleration response and power delivery. A worn or damaged sprocket degrades shift quality and can cause chain slippage, compromising both performance and...

Your GSXR1000's power delivery hinges on precise sprocket engagement—worn or inferior countershaft sprockets introduce slack, missed shifts, and accelerated chain wear. The JT Sprockets 17-tooth countershaft sprocket delivers the exact geometry and...

A properly sized countershaft sprocket is critical for optimizing your Panigale's power delivery and maintaining reliable gear engagement under high-RPM racing conditions. This 14-tooth sprocket gives you the aggressive ratio tuning needed to extract...

A lighter countershaft sprocket reduces rotational inertia and sharpens your Ducati's throttle response—critical for both track performance and street acceleration. The JT 15-tooth design maintains optimal gearing ratios while the SCM420 chromoly...

A worn or damaged countershaft sprocket directly compromises your bike's acceleration, throttle response, and overall drivetrain efficiency. The JT Sprockets 17-tooth countershaft sprocket is engineered from SCM420 chromoly steel to withstand the...

A worn or damaged countershaft sprocket directly impacts your Triumph's power delivery and acceleration response. This JT Sprockets 19-tooth replacement restores precise gear engagement and eliminates the vibration, noise, and sluggish shifting that come...

A worn or damaged countershaft sprocket directly impacts throttle response, power delivery, and overall drivetrain efficiency on your KX250F. Upgrading to JT's precision-engineered 13-tooth countershaft sprocket restores the critical gear ratio interface...

Your Ducati's acceleration and top-end performance depend on precise power delivery from the countershaft—and a worn or damaged sprocket kills both. This JT Sprockets 16-tooth countershaft sprocket restores the tight tolerances and engagement your...