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Street Bike Countershaft Sprockets - Steel

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

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!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  •  JT SPROCKETS Countershaft Sprocket - 17 Tooth - Yamaha JTF424.17

    JT SPROCKETS Countershaft Sprocket - 17 Tooth - Yamaha JTF424.17

    JT SPROCKETS

    $15.50
    A 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 sharpen your Yamaha's throttle response and extract...
    12121979
    SKU:
    12121979
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    $15.50
    Qty in Cart: 0
    Quantity:
    Price:
    $15.50
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 13 Tooth - Suzuki JTF432.13

    JT SPROCKETS Countershaft Sprocket - 13 Tooth - Suzuki JTF432.13

    JT SPROCKETS

    $12.50
    A 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 eliminates the slack that develops over thousands of shift...
    12121985
    SKU:
    12121985
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $12.50
    Qty in Cart: 0
    Quantity:
    Price:
    $12.50
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 14 Tooth - Kawasaki/Suzuki JTF432.14

    JT SPROCKETS Countershaft Sprocket - 14 Tooth - Kawasaki/Suzuki JTF432.14

    JT SPROCKETS

    $12.50
    A 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 restores precise engagement with your primary drive chain,...
    12121986
    SKU:
    12121986
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    $12.50
    Qty in Cart: 0
    Quantity:
    Price:
    $12.50
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 14 Tooth - Kawasaki JTF522.14

    JT SPROCKETS Countershaft Sprocket - 14 Tooth - Kawasaki JTF522.14

    JT SPROCKETS

    $29.43
    A 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 restore optimal gear engagement and maintain...
    12121996
    SKU:
    12121996
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    $29.43
    Qty in Cart: 0
    Quantity:
    Price:
    $29.43
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  •  JT SPROCKETS Countershaft Sprocket - 13 Tooth - Kawasaki/Yamaha JTF565.13

    JT SPROCKETS Countershaft Sprocket - 13 Tooth - Kawasaki/Yamaha JTF565.13

    JT SPROCKETS

    $8.45
    A 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 precise gear engagement and reliable performance,...
    12122002
    SKU:
    12122002
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $8.45
    Qty in Cart: 0
    Quantity:
    Price:
    $8.45
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 14 Tooth - Kawasaki/Suzuki/Yamaha JTF565.14

    JT SPROCKETS Countershaft Sprocket - 14 Tooth - Kawasaki/Suzuki/Yamaha JTF565.14

    JT SPROCKETS

    $8.45
    Your 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 and accelerates wear across your entire chain and...
    12122003
    SKU:
    12122003
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $8.45
    Qty in Cart: 0
    Quantity:
    Price:
    $8.45
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 18 Tooth - Yamaha JTF568.18

    JT SPROCKETS Countershaft Sprocket - 18 Tooth - Yamaha JTF568.18

    JT SPROCKETS

    $17.03
    A 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 off the line—ideal if you're looking to tighten up your...
    12122005
    SKU:
    12122005
    Availability:
    Ships Same Business Day
    Weight:
    0.78 LBS
    $17.03
    Qty in Cart: 0
    Quantity:
    Price:
    $17.03
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 15 Tooth - Yamaha JTF571.15

    JT SPROCKETS Countershaft Sprocket - 15 Tooth - Yamaha JTF571.15

    JT SPROCKETS

    $17.25
    A 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 engineered to deliver precise gear engagement, reliable...
    12122006
    SKU:
    12122006
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    $17.25
    Qty in Cart: 0
    Quantity:
    Price:
    $17.25
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  • JT SPROCKETS Countershaft Sprocket - 18 Tooth - Triumph JTF1183.18RB

    JT SPROCKETS Countershaft Sprocket - 18 Tooth - Triumph JTF1183.18RB

    JT SPROCKETS

    $16.58
    A 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 material durability needed for both street and track...
    12122051
    SKU:
    12122051
    Availability:
    Ships Same Business Day
    Weight:
    0.69 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $16.58
    Subtotal:
  • JT SPROCKETS Countershaft Sprocket - 15 Tooth - Yamaha JTF1577.15

    JT SPROCKETS Countershaft Sprocket - 15 Tooth - Yamaha JTF1577.15

    JT SPROCKETS

    $15.08
    A 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 piece transfers power more efficiently than stock, letting...
    12120792
    SKU:
    12120792
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    $15.08
    Qty in Cart: 0
    Quantity:
    Price:
    $15.08
    Subtotal:
  • JT SPROCKETS Front Sprocket - Rubber Cushioned - 14 Tooth - Yamaha JTF1592.14RB

    JT SPROCKETS Front Sprocket - Rubber Cushioned - 14 Tooth - Yamaha JTF1592.14RB

    JT SPROCKETS

    $13.75
    A 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, smooth engagement with premium durability engineered into...
    12122299
    SKU:
    12122299
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $13.75
    Qty in Cart: 0
    Quantity:
    Price:
    $13.75
    Subtotal:
  • JT SPROCKETS Countershaft Sprocket - 14 Tooth JTF1901.14RB

    JT SPROCKETS Countershaft Sprocket - 14 Tooth JTF1901.14RB

    JT SPROCKETS

    $12.75
    If 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 chromoly steel to handle repeated shock loads without...
    12122301
    SKU:
    12122301
    Availability:
    Ships Same Business Day
    Weight:
    0.34 LBS
    $12.75
    Qty in Cart: 0
    Quantity:
    Price:
    $12.75
    Subtotal:
  • JT SPROCKETS Front Sprocket - 14 Tooth - Yamaha JTF565.14RB

    JT SPROCKETS Front Sprocket - 14 Tooth - Yamaha JTF565.14RB

    JT SPROCKETS

    $11.50
    A 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 power delivery while maintaining durability under...
    12122302
    SKU:
    12122302
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    $11.50
    Qty in Cart: 0
    Quantity:
    Price:
    $11.50
    Subtotal:
  • RENTHAL Renthal Ultralight Front Sprocket 13 Tooth 520 Chain for TF 250-X 515U-520-13GP

    Renthal Ultralight Front Sprocket 13 Tooth 520 Chain for TF 250-X 515U-520-13GP

    RENTHAL

    $47.95
    Shaving 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 515U-520-13GP combines ultralight construction with...
    12122293
    SKU:
    12122293
    Availability:
    Ships Same Business Day
    Weight:
    0.28 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • RENTHAL Renthal Ultralight Front Sprocket 14 Tooth 520 Chain for TF 250-X 515U-520-14GP

    Renthal Ultralight Front Sprocket 14 Tooth 520 Chain for TF 250-X 515U-520-14GP

    RENTHAL

    $47.95
    Reducing 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 Renthal Ultralight Front Sprocket achieves this through...
    12122294
    SKU:
    12122294
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • JT SPROCKETS Front Sprocket - Rubber Cushioned - 15 Tooth - Ducati JTF736.15RB

    JT SPROCKETS Front Sprocket - Rubber Cushioned - 15 Tooth - Ducati JTF736.15RB

    JT SPROCKETS

    $27.10
    A 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 restores precise engagement and smooth power delivery...
    12122339
    SKU:
    12122339
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    $27.10
    Qty in Cart: 0
    Quantity:
    Price:
    $27.10
    Subtotal:
  • VORTEX Front Sprocket - 14 Tooth - Honda 3264-14

    VORTEX Front Sprocket - 14 Tooth - Honda 3264-14

    VORTEX

    $23.95
    A 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 performance with induction-hardened steel construction that...
    12122328
    SKU:
    12122328
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $23.95
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • VORTEX Front Sprocket - 16 Tooth - Honda 3264-16

    VORTEX Front Sprocket - 16 Tooth - Honda 3264-16

    VORTEX

    $23.95
    A 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 reducing noise and vibration—critical for both track...
    12122329
    SKU:
    12122329
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    $23.95
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • VORTEX Front Sprocket - 14 Tooth - Z 125 Pro 3210-14

    VORTEX Front Sprocket - 14 Tooth - Z 125 Pro 3210-14

    VORTEX

    $23.95
    A 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 induction-hardened steel construction, ensuring consistent...
    12122330
    SKU:
    12122330
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • VORTEX Front Sprocket - 15 Tooth - Z 125 Pro 3210-15

    VORTEX Front Sprocket - 15 Tooth - Z 125 Pro 3210-15

    VORTEX

    $23.95
    A 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 induction-hardened to OEM tolerances, ensuring reliable engagement...
    12122331
    SKU:
    12122331
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    $23.95
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • Total: items /

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