New Street Bike Products

A worn or mismatched rear sprocket compromises acceleration, top-end power delivery, and chain longevity. The JT Sprockets 39-tooth rear sprocket restores optimal gearing geometry while delivering the durability required for sustained track use or...

If you're running a Z 125 Pro, rear sprocket wear directly impacts acceleration response and top-end performance. A worn sprocket creates slack in your chain drive, robbing you of power transfer efficiency and creating costly wear on your entire...

A properly sized rear sprocket is critical for optimizing your XS650's acceleration, top-end speed, and overall powertrain efficiency. The 33-tooth JT Sprockets rear sprocket delivers the precision engineering and durability demanded by riders who refuse...

A properly sized countershaft sprocket is critical for optimizing your Honda's power delivery and acceleration characteristics. This 13-tooth configuration provides the ideal balance between top-end speed and mid-range torque for street and track...

A worn or damaged countershaft sprocket directly impacts power delivery and throttle response—compromising both acceleration and overall drivetrain efficiency. This JT Sprockets 14-tooth countershaft sprocket restores precise engagement and reliable...

A countershaft sprocket directly influences your Honda's acceleration curve and power delivery characteristics. If you're running stock gearing and feel a lag in throttle response or need quicker acceleration out of corners, this 15-tooth JT sprocket is...

A worn or damaged countershaft sprocket directly degrades power delivery and throttle response on your KTM—this JT Sprockets 14-tooth replacement restores precise engagement and chain control. Manufactured from SCM420 chromoly steel, this sprocket...

A worn or undersized countershaft sprocket directly impacts your power delivery, throttle response, and overall gear ratio performance. This JT Sprockets 18-tooth unit is engineered for maximum durability while keeping rotating mass to a minimum—critical...

A worn or damaged countershaft sprocket directly impacts power delivery and acceleration consistency across the entire rev range. The JT Sprockets 14-tooth countershaft sprocket restores precise engagement with your primary drive chain, ensuring reliable...

A worn or mismatched countershaft sprocket directly impacts your Honda's acceleration, throttle response, and overall drivetrain efficiency. The JT Sprockets 15-tooth countershaft sprocket delivers the precision engineering and material durability...

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...

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...