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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
  • SUPERSPROX Countershaft Sprocket - 15-Tooth CST-284-15-1

    SUPERSPROX Countershaft Sprocket - 15-Tooth CST-284-15-1

    SUPERSPROX

    $29.95
    If you're running a countershaft sprocket that can't handle the demands of aggressive riding or racing, you're leaving performance on the table and risking catastrophic failure mid-ride. The SUPERSPROX CST-284-15-1 delivers the durability and efficiency...
    12121358
    SKU:
    12121358
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    TOOTH COUNT:
    15
    CHAIN SIZE:
    520
    TYPE:
    COUNTERSHAFT
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 15-Tooth CST-1309-15-1

    SUPERSPROX Countershaft Sprocket - 15-Tooth CST-1309-15-1

    SUPERSPROX

    $29.95
    If you're running a countershaft sprocket that's letting you down with chain drag losses and premature wear, you're leaving performance on the table. The SUPERSPROX 15-tooth countershaft sprocket is engineered with the same specifications trusted by...
    12121360
    SKU:
    12121360
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    CHAIN SIZE:
    520
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    TOOTH COUNT:
    15
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 16-Tooth CST-546-16-1

    SUPERSPROX Countershaft Sprocket - 16-Tooth CST-546-16-1

    SUPERSPROX

    $24.95
    If you're running a countershaft sprocket that's holding back your power delivery, a lightweight, precision-engineered replacement is non-negotiable. The SUPERSPROX 16-tooth countershaft sprocket eliminates chain drag losses and resists tooth wear...
    12121387
    SKU:
    12121387
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    CHAIN SIZE:
    420
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    16
    TYPE:
    COUNTERSHAFT
    MATERIAL:
    STEEL
    UNITS:
    EACH
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 13-Tooth CST-1442-13-1

    SUPERSPROX Countershaft Sprocket - 13-Tooth CST-1442-13-1

    SUPERSPROX

    $24.95
    If you're pushing your bike hard on track or trail, sprocket wear translates directly to power loss and premature chain failure. The SUPERSPROX Countershaft Sprocket eliminates that risk with factory-grade materials and precision engineering that...
    12121423
    SKU:
    12121423
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    CHAIN SIZE:
    520
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    MATERIAL:
    STEEL
    TOOTH COUNT:
    13
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 15-Tooth CST-1902-15-1

    SUPERSPROX Countershaft Sprocket - 15-Tooth CST-1902-15-1

    SUPERSPROX

    $29.95
    Countershaft sprockets are the foundation of reliable power delivery—a weak link here means lost acceleration, premature chain wear, and potential mid-race failure. The SUPERSPROX CST-1902-15-1 is engineered with the same uncompromising standards that...
    12121424
    SKU:
    12121424
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    CHAIN SIZE:
    520
    TOOTH COUNT:
    15
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 13-Tooth CST-1565-13-1

    SUPERSPROX Countershaft Sprocket - 13-Tooth CST-1565-13-1

    SUPERSPROX

    $24.95
    Countershaft sprockets are a critical wear item in high-demand racing and off-road applications—running a compromised sprocket invites chain slip, power loss, and catastrophic drivetrain failure. The SUPERSPROX 13-tooth countershaft sprocket delivers the...
    12121335
    SKU:
    12121335
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MATERIAL:
    STEEL
    CHAIN SIZE:
    520
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    TOOTH COUNT:
    13
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 14-Tooth CST-1565-14-1

    SUPERSPROX Countershaft Sprocket - 14-Tooth CST-1565-14-1

    SUPERSPROX

    $24.95
    A countershaft sprocket is your direct connection to power delivery—wear or friction here means lost horsepower and premature chain failure. The SUPERSPROX 14-tooth delivers factory racing durability with a hardened surface layer that cuts friction and...
    12121336
    SKU:
    12121336
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    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-824-13-1

    SUPERSPROX Countershaft Sprocket - 13-Tooth CST-824-13-1

    SUPERSPROX

    $29.95
    If you're running a countershaft sprocket that can't handle aggressive acceleration or sustained high RPM demands, you're leaving performance on the table—and risking catastrophic failure mid-race or ride. The SUPERSPROX 13-Tooth Countershaft Sprocket is...
    12121404
    SKU:
    12121404
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    520
    TYPE:
    COUNTERSHAFT
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 14-Tooth CST-827-14-1

    SUPERSPROX Countershaft Sprocket - 14-Tooth CST-827-14-1

    SUPERSPROX

    $34.95
    If you're running a countershaft sprocket that can't handle sustained power delivery or extended race sessions, you're leaving performance on the table and risking catastrophic failure mid-ride. The SUPERSPROX CST-827-14-1 is engineered with the same...
    12121407
    SKU:
    12121407
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    UNITS:
    EACH
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    MATERIAL:
    STEEL
    TOOTH COUNT:
    14
    RIDING STYLE:
    OFF-ROAD
    CHAIN SIZE:
    520
    TYPE:
    COUNTERSHAFT
    $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • RENTHAL Renthal 13 Tooth Front Sprocket 520 Chain Grooved Design 360A-520-13GP

    Renthal 13 Tooth Front Sprocket 520 Chain Grooved Design 360A-520-13GP

    RENTHAL

    $51.95
    A lightweight front sprocket is critical for reducing unsprung weight and improving throttle response, especially in off-road or track environments where every fraction matters. The Renthal 13-tooth front sprocket delivers the durability you need for...
    12121639
    SKU:
    12121639
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    COLOR/FINISH:
    NATURAL
    PRODUCT NAME:
    SPROCKET
    STYLE:
    SELF-CLEANING
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    520
    MATERIAL:
    CHROMOLY STEEL
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    MOUNTING POSITION:
    FRONT
    $51.95
    Qty in Cart: 0
    Quantity:
    Price:
    $51.95
    Subtotal:
  • RENTHAL Renthal 12-Tooth Front Sprocket 520 Chain 655M13 Steel 360A-520-12P

    Renthal 12-Tooth Front Sprocket 520 Chain 655M13 Steel 360A-520-12P

    RENTHAL

    $47.95
    A 12-tooth front sprocket is the fastest gearing option for your 520 chain setup, delivering quicker acceleration and higher top-end speeds—ideal for racers pushing for competitive lap times or riders who want maximum throttle response. Renthal's 655M13...
    12121651
    SKU:
    12121651
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    COLOR/FINISH:
    NATURAL
    UNITS:
    EACH
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    12
    CHAIN SIZE:
    520
    MATERIAL:
    CHROMOLY STEEL
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • RENTHAL Renthal Front Grooved 13-Tooth 428 Chain Sprocket for Gas Gas Husqvarna KTM 503--428-13GP

    Renthal Front Grooved 13-Tooth 428 Chain Sprocket for Gas Gas Husqvarna KTM 503--428-13GP

    RENTHAL

    $37.95
    A worn or damaged front sprocket directly impacts your bike's acceleration, chain wear, and overall drivetrain efficiency. The Renthal Front Grooved 13-Tooth 428 Chain Sprocket delivers the durability and lightweight performance needed to maintain...
    12121458
    SKU:
    12121458
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    CHAIN SIZE:
    428
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    COLOR/FINISH:
    NATURAL
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Grooved 14T Sprocket for 428 Chain 503--428-14GP

    Renthal Front Grooved 14T Sprocket for 428 Chain 503--428-14GP

    RENTHAL

    $37.95
    If you're running a 428 chain on your off-road bike, sprocket wear directly impacts acceleration response and chain longevity. Renthal's 14-tooth front sprocket cuts rotational mass while the self-cleaning mud grooves eliminate the power loss and...
    12121459
    SKU:
    12121459
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    TYPE:
    FRONT
    TOOTH COUNT:
    14
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    CHAIN SIZE:
    428
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 14T 420 Pitch for Yamaha YZ65 2018-2023 506-420-14GP

    Renthal Front Sprocket 14T 420 Pitch for Yamaha YZ65 2018-2023 506-420-14GP

    RENTHAL

    $37.95
    A worn or inefficient front sprocket directly impacts your YZ65's acceleration, chain longevity, and overall drivetrain efficiency. The Renthal 14T front sprocket replaces a stock component that's prone to debris buildup and premature wear with a...
    12121460
    SKU:
    12121460
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    TOOTH COUNT:
    14
    TYPE:
    FRONT
    CHAIN SIZE:
    420
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 14T 520 Chain Yamaha 49252014GP

    Renthal Front Sprocket 14T 520 Chain Yamaha 49252014GP

    RENTHAL

    $37.95
    A worn or inefficient front sprocket robs your Yamaha of acceleration and forces your engine to work harder than necessary. The Renthal 14T Front Sprocket delivers the lightweight precision you need for responsive throttle response and reduced drivetrain...
    12120992
    SKU:
    12120992
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    TOOTH COUNT:
    14
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 14-Tooth 520 Chain Suzuki RM-Z450 2013-2026 496U-520-14GP

    Renthal Front Sprocket 14-Tooth 520 Chain Suzuki RM-Z450 2013-2026 496U-520-14GP

    RENTHAL

    $47.95
    A worn or incorrect front sprocket directly impacts your RM-Z450's acceleration, throttle response, and overall drivetrain efficiency. The Renthal 14-Tooth Front Sprocket delivers measurable performance gains through precision engineering and weight...
    12121213
    SKU:
    12121213
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    TYPE:
    FRONT
    TOOTH COUNT:
    14
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • RENTHAL Renthal 12T Front Sprocket 520 Chain for KTM 2015-2017 Freeride 292--520-12P

    Renthal 12T Front Sprocket 520 Chain for KTM 2015-2017 Freeride 292--520-12P

    RENTHAL

    $37.95
    A worn or mismatched front sprocket directly impacts your KTM's throttle response, acceleration, and chain wear. The Renthal 12T Front Sprocket delivers precision-engineered durability and measurable weight savings that translate to quicker acceleration...
    12121301
    SKU:
    12121301
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MOUNTING POSITION:
    FRONT
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    12
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    FRONT
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 12T 520 Chain Grooved 501-520-12GP

    Renthal Front Sprocket 12T 520 Chain Grooved 501-520-12GP

    RENTHAL

    $37.95
    A 12-tooth front sprocket is the foundation of responsive throttle control and rapid acceleration in off-road and racing applications. The Renthal 501-520-12GP delivers this through case-hardened 655-M13 steel construction and precision CNC machining,...
    12121437
    SKU:
    12121437
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    TOOTH COUNT:
    12
    TYPE:
    FRONT
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 14T 520 Chain Nickel-Chromium Steel 501-520-14GP

    Renthal Front Sprocket 14T 520 Chain Nickel-Chromium Steel 501-520-14GP

    RENTHAL

    $37.95
    A worn or stock front sprocket directly impacts your bike's acceleration, chain life, and overall drivetrain efficiency. The Renthal 14T 501-520-14GP combines case-hardened nickel-chromium steel with CNC-precision machining to deliver reliable power...
    12121439
    SKU:
    12121439
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    UNITS:
    EACH
    TOOTH COUNT:
    14
    CHAIN SIZE:
    520
    TYPE:
    FRONT
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal 14-Tooth Ultralight Front Sprocket 520 Chain 501U-520-14GP

    Renthal 14-Tooth Ultralight Front Sprocket 520 Chain 501U-520-14GP

    RENTHAL

    $47.95
    If you're serious about reducing unsprung weight and improving throttle response, every gram counts—especially in the rotating components that directly impact acceleration. The Renthal 14-Tooth Ultralight Front Sprocket delivers a genuine 10-15% weight...
    12121441
    SKU:
    12121441
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    TYPE:
    FRONT
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    TOOTH COUNT:
    14
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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