Street Bike Countershaft Sprockets - Steel
Street Bike Countershaft Sprockets at JJ Motorsports
Optimize your street bike's gearing with premium steel countershaft sprockets from JJ Motorsports, featuring case-hardened construction for durability and precise chain fit on Honda CBR, Yamaha R-series, Kawasaki ZX, Suzuki GSX-R, and more. These lightweight sprockets deliver smoother acceleration and extended chain life.
Shop Vortex, Parts Unlimited, and Driven Racing countershaft sprockets for race-proven quality. Explore related categories such as street bike rear sprockets or street bike drive chains to complete your gearing upgrades.
Top Street Bike Countershaft Sprockets
- Vortex Front Sprocket 16 Tooth 2917-16 – Case-hardened steel 16-tooth sprocket; lightweight and durable for sportbike performance.
- Parts Unlimited Countershaft Sprocket 17 Tooth 23801300-010-17 – OEM-spec 17-tooth steel sprocket; perfect fit and value for daily riders.
- Driven Racing Counter Shaft Sprocket 16 Tooth 1301-520-16T – Precision-machined 16-tooth sprocket; heat-treated for extreme strength on superbikes.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
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On Sale
JT SPROCKETS Countershaft Sprocket - 17 Tooth - BMW JTF404.17RB
JT SPROCKETS
MSRP: $21.30Now: $18.96Was: $21.30A precisely engineered countershaft sprocket is critical to maintaining optimal chain tension, power delivery, and drivetrain longevity in high-performance applications. The JT SPROCKETS 17-tooth...12121690- SKU:
- 12121690
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
MSRP: $21.30Now: $18.96Was: $21.30 -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - RV200 JTF1408.15
JT SPROCKETS
MSRP: $15.63Now: $13.91Was: $15.63A reliable countershaft sprocket is fundamental to consistent power delivery and chain longevity in high-rpm applications. The JT Sprockets 15-tooth countershaft sprocket for the RV200 is engineered...12121701- SKU:
- 12121701
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
MSRP: $15.63Now: $13.91Was: $15.63 -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - Husqvarna/KTM JTF1908.15RB
JT SPROCKETS
MSRP: $13.60Now: $12.10Was: $13.60A worn or damaged countershaft sprocket directly compromises your bike's power delivery and acceleration response. This OEM-compatible 15-tooth sprocket from JT SPROCKETS is engineered to restore...12121704- SKU:
- 12121704
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $13.60Now: $12.10Was: $13.60 -
On Sale
JT SPROCKETS Countershaft Sprocket - 16 Tooth - VFR800 JTF1332.16RB
JT SPROCKETS
MSRP: $20.85Now: $18.56Was: $20.85A worn or damaged countershaft sprocket directly impacts your VFR800's acceleration response and overall drivetrain efficiency. The JT Sprockets 16-tooth countershaft sprocket restores crisp power...12121924- SKU:
- 12121924
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
MSRP: $20.85Now: $18.56Was: $20.85 -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - Yamaha JTF1591.15RB
JT SPROCKETS
MSRP: $17.43Now: $15.51Was: $17.43A 15-tooth countershaft sprocket directly impacts your Yamaha's acceleration characteristics and overall driveability. If you're running stock gearing and want sharper throttle response without...12121926- SKU:
- 12121926
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $17.43Now: $15.51Was: $17.43 -
On Sale
JT SPROCKETS Countershaft Sprocket - 13 Tooth - Honda JTF270.13
JT SPROCKETS
MSRP: $13.78Now: $12.26Was: $13.78A 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...12120564- SKU:
- 12120564
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $13.78Now: $12.26Was: $13.78 -
On Sale
JT SPROCKETS Countershaft Sprocket - 14 Tooth - Suzuki JTF434.14
JT SPROCKETS
MSRP: $12.55Now: $11.17Was: $12.55A 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...12120788- SKU:
- 12120788
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
MSRP: $12.55Now: $11.17Was: $12.55Qty in Cart: 0Quantity:Price:MSRP: $12.55Now: $11.17Was: $12.55Subtotal: -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - Honda JTF339.15
JT SPROCKETS
MSRP: $20.33Now: $18.09Was: $20.33A 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...12120794- SKU:
- 12120794
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
MSRP: $20.33Now: $18.09Was: $20.33 -
On Sale
JT SPROCKETS Countershaft Sprocket - 14 Tooth - KTM JTF1903.14
JT SPROCKETS
MSRP: $13.75Now: $12.24Was: $13.75A 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...12120932- SKU:
- 12120932
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
MSRP: $13.75Now: $12.24Was: $13.75 -
On Sale
JT SPROCKETS Countershaft Sprocket - 18 Tooth - Kawasaki JTF1537.18
JT SPROCKETS
MSRP: $23.83Now: $21.21Was: $23.83A 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...12120945- SKU:
- 12120945
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
MSRP: $23.83Now: $21.21Was: $23.83 -
On Sale
JT SPROCKETS Countershaft Sprocket - 14 Tooth - Honda JTF1370.14
JT SPROCKETS
MSRP: $19.70Now: $17.53Was: $19.70A 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...12121148- SKU:
- 12121148
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $19.70Now: $17.53Was: $19.70 -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - Honda JTF1373.15
JT SPROCKETS
MSRP: $23.10Now: $20.56Was: $23.10A 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...12121149- SKU:
- 12121149
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $23.10Now: $20.56Was: $23.10 -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - KTM JTF1903.15
JT SPROCKETS
MSRP: $14.40Now: $12.82Was: $14.40A 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...12121158- SKU:
- 12121158
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
MSRP: $14.40Now: $12.82Was: $14.40 -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - KTM JTF1904.15
JT SPROCKETS
MSRP: $21.70Now: $19.31Was: $21.70A 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...12121159- SKU:
- 12121159
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $21.70Now: $19.31Was: $21.70 -
On Sale
JT SPROCKETS Countershaft Sprocket - 14 Tooth - Honda JTF333.14
JT SPROCKETS
MSRP: $23.13Now: $20.59Was: $23.13A 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...12121162- SKU:
- 12121162
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $23.13Now: $20.59Was: $23.13 -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - S 1000 JTF404.15
JT SPROCKETS
MSRP: $19.80Now: $17.62Was: $19.80A 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...12121166- SKU:
- 12121166
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $19.80Now: $17.62Was: $19.80 -
On Sale
JT SPROCKETS Countershaft Sprocket - 16 Tooth - Ducati JTF736.16
JT SPROCKETS
MSRP: $28.18Now: $25.08Was: $28.18Upgrading 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...12121171- SKU:
- 12121171
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
MSRP: $28.18Now: $25.08Was: $28.18 -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - Husqvarna/KTM JTF1908.15
JT SPROCKETS
MSRP: $13.60Now: $12.10Was: $13.60Whether 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...12121308- SKU:
- 12121308
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
MSRP: $13.60Now: $12.10Was: $13.60 -
On Sale
JT SPROCKETS Countershaft Sprocket - 16 Tooth - GSXR1000 JTF444.16
JT SPROCKETS
MSRP: $20.00Now: $17.80Was: $20.00The 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...12121313- SKU:
- 12121313
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $20.00Now: $17.80Was: $20.00 -
On Sale
JT SPROCKETS Countershaft Sprocket - 17 Tooth - GSXR1000 JTF444.17
JT SPROCKETS
MSRP: $20.00Now: $17.80Was: $20.00Your 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...12121314- SKU:
- 12121314
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
MSRP: $20.00Now: $17.80Was: $20.00
