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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 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:
  • RENTHAL Renthal 13 Tooth Ultralight Front Sprocket for Kawasaki 452U-520-13P

    Renthal 13 Tooth Ultralight Front Sprocket for Kawasaki 452U-520-13P

    RENTHAL

    $47.95
    A lightweight front sprocket is one of the most effective ways to improve throttle response and reduce rotational mass on your Kawasaki. The Renthal 13-Tooth Ultralight sheds 10-15% weight compared to OEM designs while the case-hardened 655M13 steel...
    12120209
    SKU:
    12120209
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    SPROCKET
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    RIDING STYLE:
    STREET
    MOUNTING POSITION:
    FRONT
    TYPE:
    COUNTERSHAFT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 15T 420 Chain Honda CRF150R 2007-2026 461--420-15GP

    Renthal Front Sprocket 15T 420 Chain Honda CRF150R 2007-2026 461--420-15GP

    RENTHAL

    $37.95
    The Renthal 15T Front Sprocket is engineered to deliver measurable gains in acceleration and chain longevity on your Honda CRF150R. By shaving 10-15% off unsprung weight through ultralight construction, you'll notice immediate improvements in throttle...
    12120286
    SKU:
    12120286
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    CHAIN SIZE:
    420
    TOOTH COUNT:
    15
    TYPE:
    FRONT
    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 12 Tooth Front Sprocket for KTM 50 SX 2009-2023 481--415-12P

    Renthal 12 Tooth Front Sprocket for KTM 50 SX 2009-2023 481--415-12P

    RENTHAL

    $47.95
    Sprocket wear directly impacts acceleration, chain longevity, and overall drivetrain efficiency on your KTM 50 SX. The Renthal 12-tooth front sprocket delivers measurable performance gains through precision engineering and material science—reducing...
    12120827
    SKU:
    12120827
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    12
    TYPE:
    FRONT
    CHAIN SIZE:
    415
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • RENTHAL Renthal 14-Tooth Front Sprocket for KTM 85 SX 17/14 2010-2025 482--428-14GP

    Renthal 14-Tooth Front Sprocket for KTM 85 SX 17/14 2010-2025 482--428-14GP

    RENTHAL

    $37.95
    A worn or incorrect front sprocket directly impacts acceleration, top-end speed, and chain wear on your KTM 85 SX. The Renthal 14-tooth sprocket delivers precision engineering with case-hardened durability, self-cleaning mud grooves that resist wear, and...
    12120828
    SKU:
    12120828
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    CHAIN SIZE:
    428
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    TOOTH COUNT:
    14
    TYPE:
    FRONT
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 13T 520 Chain Suzuki RM-Z250 2013-2017 497-520-13GP

    Renthal Front Sprocket 13T 520 Chain Suzuki RM-Z250 2013-2017 497-520-13GP

    RENTHAL

    $37.95
    A lightweight front sprocket is critical for RM-Z250 performance—reducing rotational mass directly improves throttle response and acceleration out of corners. Renthal's 13-tooth design delivers the precision engineering and durability needed for...
    12121298
    SKU:
    12121298
    Availability:
    Ships Same Business Day
    Weight:
    0.27 LBS
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    TYPE:
    FRONT
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 13T 520 Chain Steel 501-520-13GP

    Renthal Front Sprocket 13T 520 Chain Steel 501-520-13GP

    RENTHAL

    $37.95
    A lightweight front sprocket is one of the most effective ways to reduce unsprung weight and improve throttle response on your motorcycle. The Renthal 13T 520 sprocket delivers measurable performance gains through precision engineering and materials...
    12121438
    SKU:
    12121438
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    TYPE:
    FRONT
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal 13-Tooth Ultralight Front Sprocket 520 Chain 501U-520-13GP

    Renthal 13-Tooth Ultralight Front Sprocket 520 Chain 501U-520-13GP

    RENTHAL

    $47.95
    Whether you're pushing hard on the track or tackling technical terrain, unsprung weight directly impacts your bike's responsiveness and acceleration. The Renthal 13-Tooth Ultralight Front Sprocket shaves 10-15% off your drivetrain's rotational mass while...
    12121440
    SKU:
    12121440
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    TYPE:
    FRONT
    TOOTH COUNT:
    13
    UNITS:
    EACH
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    RIDING STYLE:
    OFF-ROAD
    $47.95
    Qty in Cart: 0
    Quantity:
    Price:
    $47.95
    Subtotal:
  • RENTHAL Renthal 13-Tooth Front Sprocket 520 Chain Honda CRF450L CRF450RL CRF450X 508--520-13GP

    Renthal 13-Tooth Front Sprocket 520 Chain Honda CRF450L CRF450RL CRF450X 508--520-13GP

    RENTHAL

    $37.95
    Gearing matters when you're chasing performance on the trail or track. The Renthal 13-tooth front sprocket reduces rotational mass by 10-15%, delivering sharper acceleration and more responsive handling—without sacrificing the durability you need in...
    12121574
    SKU:
    12121574
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    RIDING STYLE:
    STREET
    TYPE:
    FRONT
    MOUNTING POSITION:
    FRONT
    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 KLX450R KX450F KX450X 452--520-13P

    Renthal Front Sprocket 13T 520 Chain Kawasaki KLX450R KX450F KX450X 452--520-13P

    RENTHAL

    $37.95
    A lightweight front sprocket is essential for improving throttle response and reducing unsprung mass on your Kawasaki dirt bike. The Renthal 13T combines case-hardened 655M13 nickel chromium steel construction with CNC precision machining to deliver...
    12120207
    SKU:
    12120207
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    CHAIN SIZE:
    520
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    RIDING STYLE:
    STREET
    MOUNTING POSITION:
    FRONT
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    TOOTH COUNT:
    13
    UNITS:
    EACH
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • RENTHAL Renthal Front Sprocket 14-Tooth 520 Chain Kawasaki 452--520-14GP

    Renthal Front Sprocket 14-Tooth 520 Chain Kawasaki 452--520-14GP

    RENTHAL

    $37.95
    A worn or undersized front sprocket directly impacts your Kawasaki's throttle response, acceleration, and chain wear. The Renthal 14-Tooth Front Sprocket delivers precision engineering and material science that reduces unsprung weight while extending...
    12120208
    SKU:
    12120208
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    MATERIAL:
    655M13 NICKEL CHROMIUM STEEL
    MOUNTING POSITION:
    FRONT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    STREET
    TOOTH COUNT:
    14
    PRODUCT NAME:
    SPROCKET
    TYPE:
    COUNTERSHAFT
    UNITS:
    EACH
    CHAIN SIZE:
    520
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 15 Tooth - Husaberg JTF823.15

    JT SPROCKETS Countershaft Sprocket - 15 Tooth - Husaberg JTF823.15

    JT SPROCKETS

    $15.59
    A worn or damaged countershaft sprocket directly impacts your Husaberg's power delivery and acceleration response. The JT Sprockets 15-tooth countershaft sprocket is engineered to restore precise engagement with your primary chain, ensuring consistent...
    12120799
    SKU:
    12120799
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    $15.59
    Qty in Cart: 0
    Quantity:
    Price:
    $15.59
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 13 Tooth - KTM JTF1902.13

    JT SPROCKETS Countershaft Sprocket - 13 Tooth - KTM JTF1902.13

    JT SPROCKETS

    MSRP: $15.65
    $13.95
    A worn or damaged countershaft sprocket directly impacts your power delivery and throttle response—this JT Sprockets 13-tooth replacement restores optimal engagement between your primary drive and transmission. Built from SCM420 chromoly steel, this...
    12121155
    SKU:
    12121155
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $15.65
    $13.95
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 14 Tooth JTF1901.14

    JT SPROCKETS Countershaft Sprocket - 14 Tooth JTF1901.14

    JT SPROCKETS

    $12.75
    A reliable countershaft sprocket is fundamental to maintaining precise power delivery and consistent gear ratios in high-demand racing applications. The JT Sprockets 14-tooth countershaft sprocket delivers the durability required for repeated...
    12121955
    SKU:
    12121955
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $12.75
    Qty in Cart: 0
    Quantity:
    Price:
    $12.75
    Subtotal:
  •  JT SPROCKETS Countershaft Sprocket - 14 Tooth - CR125 JTF266.14

    JT SPROCKETS Countershaft Sprocket - 14 Tooth - CR125 JTF266.14

    JT SPROCKETS

    $10.95
    A worn or damaged countershaft sprocket directly impacts your CR125's power delivery and acceleration consistency. This OEM-spec replacement ensures precise chain engagement and maintains the tight tolerances your engine demands for peak performance. JT...
    12121959
    SKU:
    12121959
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • SUPERSPROX Countershaft Sprocket - 12 Tooth CST-1901-12-1

    SUPERSPROX Countershaft Sprocket - 12 Tooth CST-1901-12-1

    SUPERSPROX

    $24.95
    If you're running a countershaft sprocket that's wearing down or losing power to friction, you're leaving performance on the table. The SUPERSPROX 12-tooth countershaft sprocket delivers the durability and efficiency of factory racing parts without the...
    12122286
    SKU:
    12122286
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 13 Tooth - Honda 26-1162-13CRMO

    MOOSE RACING Front Sprocket - 13 Tooth - Honda 26-1162-13CRMO

    MOOSE RACING

    $21.95
    A worn or damaged front sprocket directly impacts your power delivery and acceleration—especially critical in dirt, ADV, and ATV riding where precise drivetrain response matters. The MOOSE RACING 13-tooth front sprocket combines chromoly steel...
    12122086
    SKU:
    12122086
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $21.95
    Qty in Cart: 0
    Quantity:
    Price:
    $21.95
    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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