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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
  • RENTHAL Renthal Front 15-Tooth Sprocket for Honda 283--520-15GP

    Renthal Front 15-Tooth Sprocket for Honda 283--520-15GP

    RENTHAL

    $37.95
    A worn or compromised front sprocket kills acceleration and invites chain slippage—exactly what you don't need when you're pushing your Honda to its limits. The Renthal 15-Tooth Sprocket replaces weak OEM components with case-hardened 655M13...
    12120045
    SKU:
    12120045
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    TOOTH COUNT:
    15
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    FRONT
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 12T 520 Chain Husqvarna TC250 2009-2013 479--520-12GP

    Renthal Front Sprocket 12T 520 Chain Husqvarna TC250 2009-2013 479--520-12GP

    RENTHAL

    $37.95
    A worn or undersized front sprocket directly impacts your TC250's throttle response and acceleration off the line. The Renthal 12T sprocket delivers aggressive gearing with the durability needed for sustained off-road abuse, while its self-cleaning...
    12120727
    SKU:
    12120727
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    TOOTH COUNT:
    12
    TYPE:
    FRONT
    UNITS:
    EACH
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 13T 520 Chain Yamaha 49252013GP

    Renthal Front Sprocket 13T 520 Chain Yamaha 49252013GP

    RENTHAL

    $37.95
    A worn or undersized front sprocket robs your Yamaha of acceleration and forces your engine to work harder than necessary. The Renthal 13T Front Sprocket delivers a precision-engineered upgrade that reduces rotational mass by 10-15%, translating to...
    12120991
    SKU:
    12120991
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    520
    TYPE:
    COUNTERSHAFT
    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 13T Front Sprocket 520 Chain Husqvarna KTM 292--520-13GP

    Renthal 13T Front Sprocket 520 Chain Husqvarna KTM 292--520-13GP

    RENTHAL

    $37.95
    A worn or oversized front sprocket robs your KTM or Husqvarna of acceleration and throttle response. The Renthal 13T Front Sprocket delivers a measurable performance gain through precision engineering and a 10-15% weight reduction that sharpens your...
    R29252013
    SKU:
    R29252013
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    COLOR/FINISH:
    NATURAL
    PRODUCT NAME:
    SPROCKET
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    13
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 13T 520 Chain Suzuki RM-Z450 2015-2026 496U-520-13GP

    Renthal Front Sprocket 13T 520 Chain Suzuki RM-Z450 2015-2026 496U-520-13GP

    RENTHAL

    $47.95
    A lightweight front sprocket directly impacts your RM-Z450's throttle response and overall agility—especially critical if you're running tight trail sections or competitive track conditions. The Renthal 13T reduces rotational mass while the self-cleaning...
    12121212
    SKU:
    12121212
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    TOOTH COUNT:
    13
    UNITS:
    EACH
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    CHAIN SIZE:
    520
    TYPE:
    FRONT
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 14T 520 Chain Honda CR250R CR500R CRF450R 253--520-14GP

    Renthal Front Sprocket 14T 520 Chain Honda CR250R CR500R CRF450R 253--520-14GP

    RENTHAL

    $37.95
    A lightweight front sprocket is one of the most effective upgrades for improving throttle response and acceleration on your Honda CR-series or CRF450R. The Renthal 14T reduces unsprung weight at the engine, which directly translates to quicker power...
    R25352014
    SKU:
    R25352014
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    COLOR/FINISH:
    NATURAL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    ATV
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    CHAIN SIZE:
    520
    TOOTH COUNT:
    14
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal 13-Tooth Front Sprocket for Yamaha YZ125 1987-2004 WR200R 1992 257--520-13GP

    Renthal 13-Tooth Front Sprocket for Yamaha YZ125 1987-2004 WR200R 1992 257--520-13GP

    RENTHAL

    $37.95
    A worn or incorrect front sprocket robs your YZ or WR of acceleration and increases drivetrain stress—the Renthal 13-tooth addresses both issues with case-hardened durability and measurable weight savings. The self-cleaning mud grooves keep your chain...
    R25752013
    SKU:
    R25752013
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    COLOR/FINISH:
    NATURAL
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal 15-Tooth Grooved Front Sprocket for Honda 259--420-15GP

    Renthal 15-Tooth Grooved Front Sprocket for Honda 259--420-15GP

    RENTHAL

    $37.34
    If you're running a Honda 420 chain setup, sprocket selection directly impacts your acceleration, chain wear, and overall drivetrain longevity. The Renthal 15-Tooth Grooved Front Sprocket cuts 10-15% weight off your front-end while its self-cleaning mud...
    R25942015
    SKU:
    R25942015
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    CHAIN SIZE:
    420
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    15
    TYPE:
    COUNTERSHAFT
    COLOR/FINISH:
    NATURAL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $37.34
    Subtotal:
  • RENTHAL Renthal 14-Tooth Front Sprocket for Kawasaki KX250 KLX300R 520 Chain 289--520-14GP

    Renthal 14-Tooth Front Sprocket for Kawasaki KX250 KLX300R 520 Chain 289--520-14GP

    RENTHAL

    $37.95
    A worn or undersized front sprocket kills acceleration and leaves performance on the table. The Renthal 14-tooth front sprocket delivers the durability and light weight serious riders demand, whether you're pushing hard on the track or tackling demanding...
    R28952014
    SKU:
    R28952014
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    CHAIN SIZE:
    520
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    STREET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    14
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal 14-Tooth Ultralight Front Sprocket 289U-520-14GP

    Renthal 14-Tooth Ultralight Front Sprocket 289U-520-14GP

    RENTHAL

    $47.95
    Shaving rotating mass from your countershaft delivers measurable gains in acceleration and throttle response—especially critical for competitive riding where every tenth counts. The Renthal 14-Tooth Ultralight combines a 10-15% weight reduction with...
    R289U52014
    SKU:
    R289U52014
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    UNITS:
    EACH
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    14
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • RENTHAL Renthal 13-Tooth Front Sprocket for Kawasaki and Yamaha 252--520-13GP

    Renthal 13-Tooth Front Sprocket for Kawasaki and Yamaha 252--520-13GP

    RENTHAL

    $37.95
    Chain wear starts at the sprocket, and a worn front sprocket tanks your acceleration and handling before you notice it. The Renthal 13-Tooth Front Sprocket combines case-hardened steel durability with a self-cleaning design that keeps mud and debris from...
    R25252013
    SKU:
    R25252013
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    13
    UNITS:
    EACH
    COLOR/FINISH:
    NATURAL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COUNTERSHAFT
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal 14-Tooth Front Sprocket for Kawasaki and Yamaha 520 Chain 252--520-14GP

    Renthal 14-Tooth Front Sprocket for Kawasaki and Yamaha 520 Chain 252--520-14GP

    RENTHAL

    $37.95
    If you're running a 520 chain on your Kawasaki or Yamaha, a worn front sprocket directly impacts throttle response, chain wear, and overall drivetrain reliability. The Renthal 14-Tooth Front Sprocket eliminates premature wear with case-hardened 655M13...
    R25252014
    SKU:
    R25252014
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    CHAIN SIZE:
    520
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    14
    TYPE:
    COUNTERSHAFT
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    NATURAL
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal 13-Tooth Front Sprocket for Suzuki RM125 RM-Z250 254--520-13GP

    Renthal 13-Tooth Front Sprocket for Suzuki RM125 RM-Z250 254--520-13GP

    RENTHAL

    $37.95
    A worn or undersized front sprocket directly impacts your Suzuki's acceleration, chain wear, and overall drivetrain efficiency. The Renthal 13-tooth sprocket delivers the durability and weight savings you need to maximize performance in demanding...
    R25452013
    SKU:
    R25452013
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    CHAIN SIZE:
    520
    TOOTH COUNT:
    13
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal 13-Tooth Front Sprocket for Suzuki 255-520-13GP

    Renthal 13-Tooth Front Sprocket for Suzuki 255-520-13GP

    RENTHAL

    $37.95
    If you're running a 13-tooth front sprocket on your Suzuki, material and design matter—especially when you're pushing hard in mud, sand, or rocky terrain. The Renthal 255-520-13GP cuts weight while delivering the durability you need to stay competitive,...
    R25552013
    SKU:
    R25552013
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    520
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal 13-Tooth Front Sprocket for Honda 256--520-13GP

    Renthal 13-Tooth Front Sprocket for Honda 256--520-13GP

    RENTHAL

    $37.95
    A lightweight front sprocket is one of the most direct ways to improve acceleration and throttle response on your Honda—and the Renthal 13-tooth delivers exactly that. By shaving 10-15% off rotating mass while maintaining the durability required for...
    R25652013
    SKU:
    R25652013
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    CHAIN SIZE:
    520
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 13-Tooth 520 Chain Kawasaki Yamaha 289--520-13GP

    Renthal Front Sprocket 13-Tooth 520 Chain Kawasaki Yamaha 289--520-13GP

    RENTHAL

    $37.95
    A lightweight front sprocket is one of the quickest ways to sharpen your motorcycle's throttle response and reduce unsprung weight—both critical factors in acceleration and handling. The Renthal 13-tooth sprocket delivers measurable performance gains...
    R28952013
    SKU:
    R28952013
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    ATV
    TOOTH COUNT:
    13
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    CHAIN SIZE:
    520
    RIDING STYLE:
    STREET
    TYPE:
    COUNTERSHAFT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal 13-Tooth Front Sprocket for Kawasaki KX125 1992-2005 337--520-13GP

    Renthal 13-Tooth Front Sprocket for Kawasaki KX125 1992-2005 337--520-13GP

    RENTHAL

    $37.95
    A lightweight front sprocket is one of the most cost-effective upgrades for improving your KX125's acceleration and throttle response. The Renthal 13-tooth sprocket combines precision engineering with race-proven materials to deliver stronger engagement...
    R33752013
    SKU:
    R33752013
    Availability:
    Ships Same Business Day
    Weight:
    1.88 LBS
    MATERIAL:
    STEEL
    MOUNTING POSITION:
    FRONT
    CHAIN SIZE:
    520
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 13T 520 Chain Kawasaki KX250F 2004-2005 Suzuki RM-Z250 2004-2006 438--520-13GP

    Renthal Front Sprocket 13T 520 Chain Kawasaki KX250F 2004-2005 Suzuki RM-Z250 2004-2006 438--520-13GP

    RENTHAL

    $37.95
    A lighter rotating mass at the front sprocket directly translates to quicker throttle response and reduced rotational inertia—critical advantages when you're pushing hard on technical terrain. The Renthal 13T is precision-engineered with case-hardened...
    12120022
    SKU:
    12120022
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    13
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    CHAIN SIZE:
    520
    TYPE:
    FRONT
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 14-Tooth 420 Chain KTM 65 SX 1998-2008 307--420-14GP

    Renthal Front Sprocket 14-Tooth 420 Chain KTM 65 SX 1998-2008 307--420-14GP

    RENTHAL

    $37.95
    Lightweight durability and mud-shedding reliability are critical on the 65 SX trail. This Renthal 14-tooth front sprocket eliminates rotational weight that slows acceleration while maintaining the case-hardened steel strength demanded by aggressive...
    12120044
    SKU:
    12120044
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    TYPE:
    FRONT
    UNITS:
    EACH
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    CHAIN SIZE:
    420
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SPROCKET
    TOOTH COUNT:
    14
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 13T 520 for Kawasaki KX250F 2006-2024 453--520-13GP

    Renthal Front Sprocket 13T 520 for Kawasaki KX250F 2006-2024 453--520-13GP

    RENTHAL

    $37.95
    Reduce unsprung weight while maintaining durability where it counts most—your drivetrain. The Renthal 13T front sprocket delivers a measurable 10-15% weight savings through ultralight design, translating to sharper acceleration and more responsive...
    12120203
    SKU:
    12120203
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    CHAIN SIZE:
    520
    TYPE:
    FRONT
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    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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