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Dirt Bike Drivetrain

Dirt Bike Drivetrain

Dirt Bike Drivetrain

Dirt Bike Drivetrain Parts at JJ Motorsports

Enhance your dirt bike’s power transfer with premium drivetrain parts from JJ Motorsports. Find heavy-duty chains, front and rear sprockets, and clutch components designed to withstand intense riding demands. Combine these with other motocross gear and parts to maximize acceleration and ride efficiency on the track or trail.

Shop trusted brands like JT Chains for sealed chains and Renthal for ultralight sprockets. Explore related categories such as Dirt Bike Engine Parts for power upgrades or Dirt Bike Exhaust for complete tuning.

Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • PROX Steel Plates 16.S34018

    PROX Steel Plates 16.S34018

    PROX

    $52.95
    OEM clutch plates wear faster and lose responsiveness over time—PROX Steel Plates deliver superior durability and a more consistent, predictable feel lap after lap. Built to exact OEM specifications but with enhanced material quality, these plates...
    11311416
    SKU:
    11311416
    Availability:
    Ships Same Business Day
    Weight:
    1.45 LBS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    ATV
    UNITS:
    SET OF 7
    DRIVE PLATE MATERIAL:
    STEEL
    PRODUCT NAME:
    DRIVE PLATE (STEEL PLATE)
    TYPE:
    CLUTCH
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S41001

    PROX Clutch Friction Plates 16.S41001

    PROX

    $49.95
    Clutch slippage under acceleration costs you lap time and reliability—especially in high-demand racing applications. These PROX friction plates are manufactured to OEM specifications, ensuring consistent engagement and maximum power transfer without...
    11311427
    SKU:
    11311427
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    TYPE:
    CLUTCH
    PRODUCT NAME:
    FRICTION PLATE SET
    UNITS:
    SET OF 5
    RIDING STYLE:
    OFF-ROAD
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • PROX Steel Plates 16.S41002

    PROX Steel Plates 16.S41002

    PROX

    $29.95
    Stock clutch plates wear predictably—and at the worst possible times. The PROX Steel Plates 16.S41002 deliver the durability and consistent engagement feel you need without compromise, engineered to exact OEM specifications but with measurably longer...
    11311428
    SKU:
    11311428
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    DRIVE PLATE MATERIAL:
    STEEL
    PRODUCT NAME:
    DRIVE PLATE (STEEL PLATE)
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    SET OF 4
    TYPE:
    CLUTCH
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S41009

    PROX Clutch Friction Plates 16.S41009

    PROX

    $63.95
    Clutch friction degradation is one of the most common failure points in high-performance applications, leading to slippage, inconsistent engagement, and potential drivetrain damage. The PROX 16.S41009 friction plate set restores OEM-spec clamping force...
    11311435
    SKU:
    11311435
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    FRICTION PLATE SET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    UNITS:
    SET OF 6
    $63.95
    Qty in Cart: 0
    Quantity:
    Price:
    $63.95
    Subtotal:
  • PROX Steel Plates 16.S41010

    PROX Steel Plates 16.S41010

    PROX

    $34.95
    OEM clutch plates wear quickly under aggressive driving, leading to slippage and reduced clutch response. PROX Steel Plates 16.S41010 deliver superior durability and a more responsive feel than factory specifications, while maintaining exact OEM fitment...
    11311436
    SKU:
    11311436
    Availability:
    Ships Same Business Day
    Weight:
    0.53 LBS
    DRIVE PLATE MATERIAL:
    STEEL
    PRODUCT NAME:
    DRIVE PLATE (STEEL PLATE)
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    UNITS:
    SET OF 5
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • PROX Steel Plates 16.S42014

    PROX Steel Plates 16.S42014

    PROX

    $44.95
    OEM clutch plates wear faster than most riders expect, leading to slipping, inconsistent engagement, and costly rebuilds. PROX Steel Plates 16.S42014 deliver superior durability and a more responsive feel than factory specifications, engineered to exact...
    11311440
    SKU:
    11311440
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    DRIVE PLATE MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    DRIVE PLATE (STEEL PLATE)
    UNITS:
    SET OF 6
    TYPE:
    CLUTCH
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S42016

    PROX Clutch Friction Plates 16.S42016

    PROX

    $99.95
    Clutch slippage and premature wear cost you races and money—PROX Friction Plates 16.S42016 deliver the consistent bite and longevity you need to stay competitive. Manufactured to exact OEM specifications, these plates provide reliable engagement under...
    11311442
    SKU:
    11311442
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    UNITS:
    SET OF 8
    PRODUCT NAME:
    FRICTION PLATE SET
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S43023

    PROX Clutch Friction Plates 16.S43023

    PROX

    $99.95
    Clutch friction plates are critical wear items that directly impact power delivery, shift quality, and overall drivetrain reliability. The PROX 16.S43023 friction plate set is manufactured to exact OEM specifications, ensuring consistent engagement and...
    11311449
    SKU:
    11311449
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    UNITS:
    SET OF 8
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    PRODUCT NAME:
    FRICTION PLATE SET
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • PROX Steel Plates 16.S43025

    PROX Steel Plates 16.S43025

    PROX

    $52.95
    Stock clutch plates wear quickly under aggressive driving and repeated heat cycles, leading to slippage and unpredictable engagement. The PROX Steel Plates 16.S43025 deliver superior durability and consistent feel compared to OEM units, holding up to...
    11311451
    SKU:
    11311451
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    DRIVE PLATE MATERIAL:
    STEEL
    PRODUCT NAME:
    DRIVE PLATE (STEEL PLATE)
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    SET OF 7
    TYPE:
    CLUTCH
    $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S44039

    PROX Clutch Friction Plates 16.S44039

    PROX

    $89.95
    Clutch fade and inconsistent engagement can cost you races and compromise safety on the street. PROX Friction Plates 16.S44039 deliver OEM-spec performance with the reliability you need when precision matters. As a complete set engineered to exact...
    11311455
    SKU:
    11311455
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    RIDING STYLE:
    UTV
    UNITS:
    SET OF 8
    TYPE:
    CLUTCH
    PRODUCT NAME:
    FRICTION PLATE SET
    RIDING STYLE:
    ATV
    $89.95
    Qty in Cart: 0
    Quantity:
    Price:
    $89.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S52001

    PROX Clutch Friction Plates 16.S52001

    PROX

    $81.95
    Clutch fade and slippage under sustained load will compromise your lap times and reliability—ProX friction plates engineered to OEM specifications deliver consistent bite and thermal stability when it matters most. Whether you're running a stock rebuild...
    11311467
    SKU:
    11311467
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    FRICTION PLATE SET
    TYPE:
    CLUTCH
    UNITS:
    SET OF 7
    $81.95
    Qty in Cart: 0
    Quantity:
    Price:
    $81.95
    Subtotal:
  • PROX Alloy/Steel Plates 16.S52002

    PROX Alloy/Steel Plates 16.S52002

    PROX

    $49.95
    Factory clutch plates wear down, causing inconsistent engagement and slippage that kills performance and reliability. PROX Alloy/Steel Plates deliver the durability and precision feel of a fresh clutch system without compromising your OEM setup. Built to...
    11311468
    SKU:
    11311468
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    DRIVE PLATE MATERIAL:
    STEEL
    PRODUCT NAME:
    DRIVE PLATE (STEEL PLATE)
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    SET OF 6
    TYPE:
    CLUTCH
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S53016

    PROX Clutch Friction Plates 16.S53016

    PROX

    $99.95
    Inconsistent clutch engagement and slippage kill performance when you need it most. PROX Clutch Friction Plates deliver the bite and durability serious racers and high-horsepower builds demand, engineered to handle repeated heat cycles and aggressive...
    11313618
    SKU:
    11313618
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    PRODUCT NAME:
    FRICTION PLATE SET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    SET
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S53027

    PROX Clutch Friction Plates 16.S53027

    PROX

    $44.95
    A clutch is only as strong as its friction material. PROX Clutch Friction Plates 16.S53027 deliver consistent bite and predictable engagement across repeated heat cycles, whether you're street driving or circuit racing. Built to OEM specifications with...
    11313665
    SKU:
    11313665
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    PRODUCT NAME:
    FRICTION PLATE SET
    UNITS:
    SET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S73013

    PROX Clutch Friction Plates 16.S73013

    PROX

    $97.95
    A clutch is only as strong as its friction plates—and PROX Clutch Friction Plates 16.S73013 deliver the consistent bite and durability that separates reliable power delivery from slipping under load. Whether you're running a high-horsepower street build...
    11313668
    SKU:
    11313668
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    FRICTION PLATE SET
    TYPE:
    CLUTCH
    UNITS:
    SET
    $97.95
    Qty in Cart: 0
    Quantity:
    Price:
    $97.95
    Subtotal:
  • PROX Inner Clutch Hub 18.1337

    PROX Inner Clutch Hub 18.1337

    PROX

    $66.95
    A worn or damaged clutch hub directly impacts your primary clutch engagement and overall drivetrain efficiency. The PROX Inner Clutch Hub 18.1337 restores OEM-spec performance with precision-cast aluminum construction, ensuring consistent power transfer...
    11320060
    SKU:
    11320060
    Availability:
    Ships Same Business Day
    Weight:
    0.93 LBS
    PRODUCT NAME:
    CLUTCH HUB
    TYPE:
    INNER
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    $66.95
    Qty in Cart: 0
    Quantity:
    Price:
    $66.95
    Subtotal:
  • PROX Inner Clutch Hub 18.1490

    PROX Inner Clutch Hub 18.1490

    PROX

    $77.95
    The PROX Inner Clutch Hub 18.1490 is a precision-engineered replacement component designed to restore OEM-level clutch performance and reliability. Whether you're rebuilding a stock primary clutch or upgrading to an aftermarket basket, this hub ensures...
    11320063
    SKU:
    11320063
    Availability:
    Ships Same Business Day
    Weight:
    1.09 LBS
    PRODUCT NAME:
    CLUTCH HUB
    TYPE:
    INNER
    MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    $77.95
    Qty in Cart: 0
    Quantity:
    Price:
    $77.95
    Subtotal:
  • PROX Inner Clutch Hub 18.1495

    PROX Inner Clutch Hub 18.1495

    PROX

    $74.95
    The PROX Inner Clutch Hub 18.1495 is a precision-cast replacement that restores your primary clutch to OEM specifications without compromise. Whether you're running stock or aftermarket baskets, this hub maintains the exact tolerances and material...
    11320064
    SKU:
    11320064
    Availability:
    Ships Same Business Day
    Weight:
    0.84 LBS
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    CLUTCH HUB
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    TYPE:
    INNER
    $74.95
    Qty in Cart: 0
    Quantity:
    Price:
    $74.95
    Subtotal:
  • PROX Inner Clutch Hub 18.4294

    PROX Inner Clutch Hub 18.4294

    PROX

    $77.95
    The PROX Inner Clutch Hub 18.4294 restores your primary clutch to OEM performance standards with precision-cast construction that matches factory tolerances exactly. Whether you're rebuilding a stock setup or upgrading to an aftermarket basket, this hub...
    11320068
    SKU:
    11320068
    Availability:
    Ships Same Business Day
    Weight:
    0.93 LBS
    MATERIAL:
    ALUMINUM
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    PRODUCT NAME:
    CLUTCH HUB
    TYPE:
    INNER
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    UTV
    Qty in Cart: 0
    Quantity:
    Price:
    $77.95
    Subtotal:
  • PROX Inner Clutch Hub 18.4303

    PROX Inner Clutch Hub 18.4303

    PROX

    $77.95
    The PROX Inner Clutch Hub 18.4303 is an essential OEM-equivalent replacement that restores your primary clutch assembly to factory performance specifications. Whether you're running stock or aftermarket baskets, this precision-cast aluminum hub ensures...
    11320069
    SKU:
    11320069
    Availability:
    Ships Same Business Day
    Weight:
    0.93 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    CLUTCH HUB
    TYPE:
    INNER
    MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    $77.95
    Qty in Cart: 0
    Quantity:
    Price:
    $77.95
    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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