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 - Yamaha JTF424.17
JT SPROCKETS
MSRP: $15.50Now: $13.80Was: $15.50A 17-tooth countershaft sprocket directly impacts your acceleration curve and top-end performance—smaller tooth counts pull harder off the line but sacrifice highway cruising. If you're looking to...12121979- SKU:
- 12121979
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
MSRP: $15.50Now: $13.80Was: $15.50 -
On Sale
JT SPROCKETS Countershaft Sprocket - 13 Tooth - Suzuki JTF432.13
JT SPROCKETS
MSRP: $12.50Now: $11.13Was: $12.50A worn or damaged countershaft sprocket directly impacts your transmission's efficiency and acceleration response. This OEM-equivalent 13-tooth sprocket restores precise gear engagement and...12121985- SKU:
- 12121985
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $12.50Now: $11.13Was: $12.50 -
On Sale
JT SPROCKETS Countershaft Sprocket - 14 Tooth - Kawasaki/Suzuki JTF432.14
JT SPROCKETS
MSRP: $12.50Now: $11.13Was: $12.50A worn or damaged countershaft sprocket directly impacts your power delivery and acceleration—compromising both race performance and reliability. This JT Sprockets 14-tooth countershaft sprocket...12121986- SKU:
- 12121986
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
MSRP: $12.50Now: $11.13Was: $12.50 -
On Sale
JT SPROCKETS Countershaft Sprocket - 14 Tooth - Kawasaki JTF522.14
JT SPROCKETS
MSRP: $29.43Now: $26.19Was: $29.43A worn or damaged countershaft sprocket will compromise your bike's acceleration, power delivery, and overall drivetrain reliability. This JT Sprockets 14-tooth countershaft sprocket is engineered to...12121996- SKU:
- 12121996
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
MSRP: $29.43Now: $26.19Was: $29.43 -
On Sale
JT SPROCKETS Countershaft Sprocket - 13 Tooth - Kawasaki/Yamaha JTF565.13
JT SPROCKETS
MSRP: $8.45Now: $7.52Was: $8.45A worn or damaged countershaft sprocket directly impacts your bike's power delivery, acceleration response, and overall drivetrain efficiency. The JT SPROCKETS 13-tooth countershaft sprocket restores...12122002- SKU:
- 12122002
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $8.45Now: $7.52Was: $8.45 -
On Sale
JT SPROCKETS Countershaft Sprocket - 14 Tooth - Kawasaki/Suzuki/Yamaha JTF565.14
JT SPROCKETS
MSRP: $8.45Now: $7.52Was: $8.45Your countershaft sprocket directly impacts your bike's acceleration, top-end performance, and overall drivetrain reliability. A worn or damaged sprocket compromises power transfer to the rear wheel...12122003- SKU:
- 12122003
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $8.45Now: $7.52Was: $8.45 -
On Sale
JT SPROCKETS Countershaft Sprocket - 18 Tooth - Yamaha JTF568.18
JT SPROCKETS
MSRP: $17.03Now: $15.16Was: $17.03A properly sized countershaft sprocket is critical to your bike's acceleration curve and overall driveability. Stepping down to an 18-tooth configuration sharpens throttle response and pulls harder...12122005- SKU:
- 12122005
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
MSRP: $17.03Now: $15.16Was: $17.03 -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - Yamaha JTF571.15
JT SPROCKETS
MSRP: $17.25Now: $15.35Was: $17.25A worn or damaged countershaft sprocket compromises your entire drivetrain's efficiency and can lead to costly chain wear and power loss. This JT Sprockets 15-tooth countershaft sprocket is...12122006- SKU:
- 12122006
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
MSRP: $17.25Now: $15.35Was: $17.25 -
On Sale
JT SPROCKETS Countershaft Sprocket - 18 Tooth - Triumph JTF1183.18RB
JT SPROCKETS
MSRP: $16.58Now: $14.76Was: $16.58A quality countershaft sprocket is critical to reliable power delivery and shift consistency in your Triumph's drivetrain. This JT Sprockets 18-tooth unit delivers the precision engineering and...12122051- SKU:
- 12122051
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
MSRP: $16.58Now: $14.76Was: $16.58Qty in Cart: 0Quantity:Price:MSRP: $16.58Now: $14.76Was: $16.58Subtotal: -
On Sale
JT SPROCKETS Countershaft Sprocket - 15 Tooth - Yamaha JTF1577.15
JT SPROCKETS
MSRP: $15.08Now: $13.42Was: $15.08A 15-tooth countershaft sprocket is your direct path to sharper acceleration and more responsive throttle control—critical upgrades for both track performance and street riding. This JT Sprockets...12120792- SKU:
- 12120792
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
MSRP: $15.08Now: $13.42Was: $15.08 -
On Sale
JT SPROCKETS Front Sprocket - Rubber Cushioned - 14 Tooth - Yamaha JTF1592.14RB
JT SPROCKETS
MSRP: $13.75Now: $12.24Was: $13.75A worn or damaged front sprocket compromises your entire drivetrain's efficiency and can lead to costly chain wear or loss of power delivery. The JT Sprockets front sprocket delivers consistent,...12122299- SKU:
- 12122299
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $13.75Now: $12.24Was: $13.75 -
On Sale
JT SPROCKETS Countershaft Sprocket - 14 Tooth JTF1901.14RB
JT SPROCKETS
MSRP: $12.75Now: $11.35Was: $12.75If you're running a 14-tooth countershaft sprocket, you're making a direct choice about your bike's acceleration curve and power delivery. The JT Sprockets JTF1901.14RB is engineered in SCM420...12122301- SKU:
- 12122301
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
MSRP: $12.75Now: $11.35Was: $12.75 -
On Sale
JT SPROCKETS Front Sprocket - 14 Tooth - Yamaha JTF565.14RB
JT SPROCKETS
MSRP: $11.50Now: $10.24Was: $11.50A worn or incorrect front sprocket directly impacts your bike's acceleration, top-end performance, and engine efficiency. The JT Sprockets 14-tooth front sprocket is engineered to deliver responsive...12122302- SKU:
- 12122302
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
MSRP: $11.50Now: $10.24Was: $11.50Qty in Cart: 0Quantity:Price:MSRP: $11.50Now: $10.24Was: $11.50Subtotal: -
On Sale
Renthal Ultralight Front Sprocket 13 Tooth 520 Chain for TF 250-X 515U-520-13GP
RENTHAL
MSRP: $47.95Now: $43.16Was: $47.95Shaving rotational mass from your front sprocket directly improves throttle response and acceleration—critical advantages whether you're racing competitively or pushing hard on the track. The Renthal...12122293- SKU:
- 12122293
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
MSRP: $47.95Now: $43.16Was: $47.95Qty in Cart: 0Quantity:Price:MSRP: $47.95Now: $43.16Was: $47.95Subtotal: -
On Sale
Renthal Ultralight Front Sprocket 14 Tooth 520 Chain for TF 250-X 515U-520-14GP
RENTHAL
MSRP: $47.95Now: $43.16Was: $47.95Reducing unsprung weight at the front wheel directly improves your motorcycle's acceleration, handling responsiveness, and braking performance—gains you'll feel immediately on track or trail. The...12122294- SKU:
- 12122294
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $47.95Now: $43.16Was: $47.95 -
On Sale
JT SPROCKETS Front Sprocket - Rubber Cushioned - 15 Tooth - Ducati JTF736.15RB
JT SPROCKETS
MSRP: $27.10Now: $24.12Was: $27.10A worn or damaged front sprocket compromises your entire drivetrain's efficiency, leading to power loss and accelerated wear on your chain and rear sprocket. The JT Sprockets 15-tooth front sprocket...12122339- SKU:
- 12122339
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
MSRP: $27.10Now: $24.12Was: $27.10 -
On Sale
VORTEX Front Sprocket - 14 Tooth - Honda 3264-14
VORTEX
MSRP: $23.95Now: $20.36Was: $23.95A worn or incorrect front sprocket directly impacts your Honda's acceleration, top speed, and overall drivetrain efficiency. The VORTEX 14-tooth front sprocket delivers precision-engineered...12122328- SKU:
- 12122328
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
MSRP: $23.95Now: $20.36Was: $23.95 -
On Sale
VORTEX Front Sprocket - 16 Tooth - Honda 3264-16
VORTEX
MSRP: $23.95Now: $20.36Was: $23.95A worn or damaged front sprocket directly impacts your power delivery, throttle response, and chain longevity. The VORTEX 16-tooth front sprocket restores precision engagement with your chain while...12122329- SKU:
- 12122329
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $23.95Now: $20.36Was: $23.95 -
On Sale
VORTEX Front Sprocket - 14 Tooth - Z 125 Pro 3210-14
VORTEX
MSRP: $23.95Now: $20.36Was: $23.95A worn or incorrect front sprocket directly impacts your Z 125 Pro's acceleration, top-end speed, and overall driveability. The VORTEX 14-Tooth Front Sprocket delivers precision engineering with...12122330- SKU:
- 12122330
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $23.95Now: $20.36Was: $23.95 -
On Sale
VORTEX Front Sprocket - 15 Tooth - Z 125 Pro 3210-15
VORTEX
MSRP: $23.95Now: $20.36Was: $23.95A worn or damaged front sprocket directly impacts your Z 125 Pro's acceleration, power delivery, and drivetrain efficiency. This VORTEX 15-tooth sprocket is precision-manufactured and...12122331- SKU:
- 12122331
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
MSRP: $23.95Now: $20.36Was: $23.95Qty in Cart: 0Quantity:Price:MSRP: $23.95Now: $20.36Was: $23.95Subtotal:
