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Dirt Bike Front Sprockets

Dirt Bike Front Sprockets

Dirt Bike Front Sprockets

Dirt Bike Front Sprockets for Honda, Kawasaki & Yamaha: 11-14 Tooth Countershaft Sprockets at JJ Motorsports

Optimize your dirt bike's gearing and acceleration with premium front sprockets from JJ Motorsports, precision-machined for perfect chain fit, maximum strength, and long-lasting performance in motocross, enduro, and trail riding. Our selection includes lightweight steel and hardened countershaft sprockets in 11-14 tooth counts designed for reduced rotational mass, smoother power delivery, and customizable gear ratios. Compatible with top models like Honda XR250R, CRF, Kawasaki KX/KLX, and more, these high-quality sprockets from trusted brands ensure minimal wear on chains, improved throttle response, and reliability in dusty, high-load conditions. From JT Sprockets' computer-designed steel for OEM-spec durability to Moose Racing's CRMoly hardened options for extreme off-road use, fine-tune your final drive for tighter woods, faster tracks, or balanced trail riding with the right tooth count.

Shop brands like JT Sprockets and Moose Racing for race-proven quality. Explore related categories such as dirt bike rear sprockets for full kits or dirt bike drive chains for complete drivetrain upgrades.

Top Dirt Bike Front 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
  • PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801KK1-000-14

    PARTS UNLIMITED Countershaft Sprocket - 14-Tooth 23801KK1-000-14

    PARTS UNLIMITED

    $15.85
    A worn or damaged countershaft sprocket directly compromises power delivery and throttle response, forcing your transmission to work harder and reducing overall drivetrain efficiency. The PARTS UNLIMITED 14-tooth countershaft sprocket restores OEM-spec...
    K222501N
    SKU:
    K222501N
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    RIDING STYLE:
    ATV
    TYPE:
    COUNTERSHAFT
    COLOR/FINISH:
    RAW
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    14
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $15.85
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 12-Tooth 23802-HA2-000

    PARTS UNLIMITED Countershaft Sprocket - 12-Tooth 23802-HA2-000

    PARTS UNLIMITED

    $14.79
    A worn or damaged countershaft sprocket compromises throttle response and power delivery across your entire drivetrain. This OEM-spec replacement restores precise engagement and chain synchronization, ensuring reliable acceleration and consistent...
    K222501S
    SKU:
    K222501S
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    CHAIN SIZE:
    520
    COLOR/FINISH:
    RAW
    UNITS:
    EACH
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    TOOTH COUNT:
    12
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    Qty in Cart: 0
    Quantity:
    Price:
    $14.79
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23800041-000-13

    PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23800041-000-13

    PARTS UNLIMITED

    $7.37
    A worn or damaged countershaft sprocket directly impacts chain tension, power delivery, and overall drivetrain efficiency. This 13-tooth OEM-specification replacement restores precise engagement with your chain and maintains the exact gear ratios your...
    K222502
    SKU:
    K222502
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    CHAIN SIZE:
    420
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    13
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $7.37
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23801-HA5-000

    PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23801-HA5-000

    PARTS UNLIMITED

    $15.85
    A worn or damaged countershaft sprocket directly impacts your power delivery, throttle response, and overall drivetrain efficiency. This OEM-spec replacement ensures you're running the exact same precision-engineered geometry as your bike's original...
    K222502M
    SKU:
    K222502M
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    CHAIN SIZE:
    520
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    ATV
    TOOTH COUNT:
    13
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    Qty in Cart: 0
    Quantity:
    Price:
    $15.85
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 93823-14149-15T

    PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 93823-14149-15T

    PARTS UNLIMITED

    $12.67
    A worn or damaged countershaft sprocket compromises your entire drivetrain's efficiency and can lead to costly chain wear or premature failure. This OEM-spec replacement restores precise engagement between your chain and sprocket, ensuring reliable power...
    12120366
    SKU:
    12120366
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    UNITS:
    EACH
    MATERIAL:
    STEEL
    TOOTH COUNT:
    15
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    CHAIN SIZE:
    428
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    Qty in Cart: 0
    Quantity:
    Price:
    $12.67
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 12-Tooth 27511-19A00

    PARTS UNLIMITED Countershaft Sprocket - 12-Tooth 27511-19A00

    PARTS UNLIMITED

    $13.73
    A worn or damaged countershaft sprocket compromises your transmission's efficiency and can lead to costly drivetrain damage. This OEM-spec replacement ensures precise engagement with your chain, restoring optimal power delivery and extending the life of...
    K222865
    SKU:
    K222865
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    12
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    CHAIN SIZE:
    520
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    Qty in Cart: 0
    Quantity:
    Price:
    $13.73
    Subtotal:
  • PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23802-ML3-870

    PARTS UNLIMITED Countershaft Sprocket - 13-Tooth 23802-ML3-870

    PARTS UNLIMITED

    $13.73
    A worn or damaged countershaft sprocket compromises power delivery to your rear wheel and creates safety hazards on the track or road. This OEM-spec replacement restores precise engagement with your chain, ensuring consistent acceleration and reliable...
    K222502A
    SKU:
    K222502A
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    RIDING STYLE:
    OFF-ROAD
    CHAIN SIZE:
    520
    COLOR/FINISH:
    RAW
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    ATV
    TOOTH COUNT:
    13
    UNITS:
    EACH
    TYPE:
    COUNTERSHAFT
    $13.73
    Qty in Cart: 0
    Quantity:
    Price:
    $13.73
    Subtotal:
  • Sunstar Countershaft Sprocket 520 Chain 10 Tooth Kawasaki KDX200 31510

    Sunstar Countershaft Sprocket 520 Chain 10 Tooth Kawasaki KDX200 31510

    SUNSTAR SPROCKETS

    $24.95
    Your KDX200's acceleration and chain longevity depend directly on countershaft sprocket quality—a worn or undersized sprocket compromises power delivery and accelerates wear on your entire drivetrain. The Sunstar 10-tooth countershaft sprocket restores...
    12120291
    SKU:
    12120291
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    SPROCKET
    CHAIN SIZE:
    520
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    10
    COLOR/FINISH:
    BLACK
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • Sunstar 14-Tooth Front Counter Shaft Sprocket for Honda CRF250R 2004-2017 31214

    Sunstar 14-Tooth Front Counter Shaft Sprocket for Honda CRF250R 2004-2017 31214

    SUNSTAR SPROCKETS

    $26.95
    A worn or damaged counter shaft sprocket directly impacts your CRF250R's acceleration, chain wear, and overall drivetrain reliability. The Sunstar 14-tooth delivers OEM-grade performance with case-hardened chromoly construction and corrosion-resistant...
    12120093
    SKU:
    12120093
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    CHAIN SIZE:
    520
    TOOTH COUNT:
    14
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • Sunstar 13 Tooth Countershaft Sprocket for 1985-2003 Honda XR100R 1979-1985 Honda XL100S 20213

    Sunstar 13 Tooth Countershaft Sprocket for 1985-2003 Honda XR100R 1979-1985 Honda XL100S 20213

    SUNSTAR SPROCKETS

    $21.95
    A worn or damaged countershaft sprocket compromises your XR100R or XL100S's power delivery and acceleration—replacing it with a precision-engineered SUNSTAR sprocket restores optimal chain engagement and drivetrain efficiency. Built from case-hardened...
    12120811
    SKU:
    12120811
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    NATURAL
    COLOR/FINISH:
    PARKERIZED
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    428
    MATERIAL:
    CHROMOLY STEEL
    TYPE:
    COUNTERSHAFT
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $21.95
    Subtotal:
  • Sunstar 14-Tooth Countershaft Sprocket for Kawasaki KX450 2006-2018 2021-2024 3A114

    Sunstar 14-Tooth Countershaft Sprocket for Kawasaki KX450 2006-2018 2021-2024 3A114

    SUNSTAR SPROCKETS

    $28.95
    The countershaft sprocket is a critical wear item in your KX450's drivetrain, and running an OEM-spec replacement ensures you maintain proper power delivery and chain engagement. Sunstar's case-hardened chromoly construction delivers the durability you...
    12120268
    SKU:
    12120268
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    TOOTH COUNT:
    14
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    CHAIN SIZE:
    520
    MATERIAL:
    CHROMOLY STEEL
    COLOR/FINISH:
    PARKERIZED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $28.95
    Subtotal:
  • Sunstar 13 Tooth Front Sprocket for 2002-2025 Yamaha YZ85 22613

    Sunstar 13 Tooth Front Sprocket for 2002-2025 Yamaha YZ85 22613

    SUNSTAR SPROCKETS

    $20.95
    The Sunstar 13-tooth front sprocket is engineered for YZ85 riders who demand reliable power transfer and consistent acceleration without premature wear. Built from case-hardened chromoly steel with Parkerizing corrosion protection, this OEM-equivalent...
    22613X
    SKU:
    22613X
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    CHAIN SIZE:
    428
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $20.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 15-Tooth CST-432-15-1

    SUPERSPROX Countershaft Sprocket - 15-Tooth CST-432-15-1

    SUPERSPROX

    $29.95
    A worn or inadequate countershaft sprocket directly translates to power loss, accelerated chain wear, and compromised acceleration—especially critical in off-road racing where reliability defines winners. The SUPERSPROX 15-tooth CST-432-15-1 is...
    12121374
    SKU:
    12121374
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    TOOTH COUNT:
    15
    CHAIN SIZE:
    520
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 12-Tooth CST-1323-12-1

    SUPERSPROX Countershaft Sprocket - 12-Tooth CST-1323-12-1

    SUPERSPROX

    $24.95
    A countershaft sprocket is the hardest-working component in your drivetrain, and inferior materials mean premature wear, power loss, and unexpected failures. The SUPERSPROX 12-Tooth CST-1323-12-1 is engineered with SCM-435 carbon-free steel and...
    12121324
    SKU:
    12121324
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    12
    CHAIN SIZE:
    520
    TYPE:
    COUNTERSHAFT
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 13-Tooth CST-1323-13-1

    SUPERSPROX Countershaft Sprocket - 13-Tooth CST-1323-13-1

    SUPERSPROX

    $24.95
    A worn or suboptimal countershaft sprocket costs you power transfer efficiency and chain longevity on every ride. The SUPERSPROX 13-Tooth Countershaft Sprocket delivers factory-spec durability and lightweight construction engineered for both high-rpm...
    12121325
    SKU:
    12121325
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    520
    TYPE:
    COUNTERSHAFT
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 14-Tooth CST-1323-14-1

    SUPERSPROX Countershaft Sprocket - 14-Tooth CST-1323-14-1

    SUPERSPROX

    $24.95
    If you're running a countershaft sprocket that can't handle the demands of high-RPM acceleration or rough terrain, you're losing power and risking mid-race failure. The SUPERSPROX 14-Tooth Countershaft Sprocket is engineered with the same metallurgy and...
    12121326
    SKU:
    12121326
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    STEEL
    TOOTH COUNT:
    14
    CHAIN SIZE:
    520
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 13-Tooth CST-1441-13-1

    SUPERSPROX Countershaft Sprocket - 13-Tooth CST-1441-13-1

    SUPERSPROX

    $24.95
    If you're running a countershaft sprocket that's holding you back with chain drag losses and premature wear, the SUPERSPROX 13-Tooth is engineered to deliver the durability and efficiency of factory racing components. The SCM-435 carbon-free steel...
    12121328
    SKU:
    12121328
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    CHAIN SIZE:
    520
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    TOOTH COUNT:
    13
    UNITS:
    EACH
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 14-Tooth CST-1441-14-1

    SUPERSPROX Countershaft Sprocket - 14-Tooth CST-1441-14-1

    SUPERSPROX

    $29.95
    If you're running a countershaft sprocket that can't handle the demands of high-RPM acceleration or off-road terrain, you're leaving performance on the table—and risking catastrophic failure. The SUPERSPROX 14-Tooth Countershaft Sprocket delivers...
    12121329
    SKU:
    12121329
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    CHAIN SIZE:
    520
    COLOR/FINISH:
    NATURAL
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    14
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 14-Tooth CST-1902-14-1

    SUPERSPROX Countershaft Sprocket - 14-Tooth CST-1902-14-1

    SUPERSPROX

    $29.95
    Countershaft sprockets endure extreme stress from chain drive forces, and inferior materials lead to premature wear, power loss, and costly replacements. The SUPERSPROX 14-Tooth Countershaft Sprocket uses factory-grade SCM-435 carbon-free steel with an...
    12121349
    SKU:
    12121349
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    CHAIN SIZE:
    520
    MATERIAL:
    STEEL
    UNITS:
    EACH
    TOOTH COUNT:
    14
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • JT SPROCKETS Counter Shaft Sprocket - 14-Tooth JTF1446.14SC

    JT SPROCKETS Counter Shaft Sprocket - 14-Tooth JTF1446.14SC

    JT SPROCKETS

    $17.53
    Computer-designed to achieve ultimate strength at minimum weight, JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value, Every sprocket meets or exceeds the highest possible quality...
    12120509
    SKU:
    12120509
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    CHAIN SIZE:
    520
    MODEL:
    KAWASAKI
    TOOTH COUNT:
    14
    $17.53
    Qty in Cart: 0
    Quantity:
    Price:
    $17.53
    Subtotal:
  • Total: items /

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