Select Your Ride

1
2
3

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
  • MOOSE RACING 520 FB - Chain - 100 Links 195FB100

    MOOSE RACING 520 FB - Chain - 100 Links 195FB100

    MOOSE RACING

    $125.95
    If you're running 450cc or above, chain failure isn't an option—it's a liability. The MOOSE RACING 520 FB delivers the highest tensile strength in our lineup at nearly 8,000 lbs., engineered through...
    12220099
    SKU:
    12220099
    Availability:
    Ships Same Business Day
    Weight:
    3.90 LBS
    MODEL:
    FB SERIES
    RIDING STYLE:
    UTV
    MATERIAL:
    STEEL
    MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
    750 CC
    PRODUCT NAME:
    DRIVE CHAIN
    TENSILE STRENGTH IMPERIAL:
    7937 LB
    COLOR/FINISH:
    GOLD
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    CHAIN SIZE:
    520
    CHAIN TYPE:
    520 FB
    MASTER LINK CONNECTOR:
    RIVET
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    SEAL TYPE:
    FB-RING
    TENSILE STRENGTH METRIC:
    35.3 KN
    $125.95
    Qty in Cart: 0
    Quantity:
    Price:
    $125.95
    Subtotal:
  • MOOSE RACING Chain Roller - 34mm - Black 79-5001

    MOOSE RACING Chain Roller - 34mm - Black 79-5001

    MOOSE RACING

    $21.95
    A worn or undersized chain roller bleeds power through increased friction and accelerates drivetrain wear. The MOOSE RACING 34mm Chain Roller replaces stock rollers with a precision-engineered...
    M79500
    SKU:
    M79500
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    MATERIAL:
    POLYURETHANE
    MOUNTING POSITION:
    UPPER
    PRODUCT NAME:
    CHAIN ROLLER
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    OUTSIDE DIAMETER METRIC:
    34 MM
    COLOR/FINISH:
    BLACK
    MOUNTING POSITION:
    LOWER
    INSIDE DIAMETER METRIC:
    8 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    SEALED
    WIDTH METRIC:
    28 MM
    $21.95
    Qty in Cart: 0
    Quantity:
    Price:
    $21.95
    Subtotal:
  • MOOSE RACING Steel Clutch Plates M80-7503-8

    MOOSE RACING Steel Clutch Plates M80-7503-8

    MOOSE RACING

    $56.95
    If you're running aluminum clutch plates, you're already losing performance and replacing them too often. The MOOSE RACING Steel Clutch Plates (M80-7503-8) deliver superior durability and thermal...
    M807503
    SKU:
    M807503
    Availability:
    Ships Same Business Day
    Weight:
    1.06 LBS
    PRODUCT NAME:
    DRIVE PLATE SET (STEEL PLATE SET)
    TYPE:
    CLUTCH
    UNITS:
    SET
    DRIVE PLATE MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $56.95
    Subtotal:
  • PROX Inner Clutch Hub 18.3405

    PROX Inner Clutch Hub 18.3405

    PROX

    $99.95
    A worn or damaged clutch hub directly compromises power transfer and throttle response in your primary clutch system. The PROX Inner Clutch Hub 18.3405 is precision-cast and machined to OEM...
    11320124
    SKU:
    11320124
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    CLUTCH HUB
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    TYPE:
    INNER
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • PROX Inner Clutch Hub - RMZ250 18.3341

    PROX Inner Clutch Hub - RMZ250 18.3341

    PROX

    $74.95
    The clutch hub is the critical link between your engine's power delivery and your transmission—wear or damage here compromises throttle response and ultimately costs you races. The PROX Inner Clutch...
    11320876
    SKU:
    11320876
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    PRODUCT NAME:
    CLUTCH HUB
    TYPE:
    INNER
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $74.95
    Subtotal:
  • PROX Clutch Slave Cylinder Rebuild Kit 16.950002

    PROX Clutch Slave Cylinder Rebuild Kit 16.950002

    PROX

    $29.95
    A worn or leaking clutch slave cylinder compromises shift precision and can leave you stranded. This rebuild kit restores OEM-level performance without the cost and downtime of replacement, making it...
    11320981
    SKU:
    11320981
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    TYPE:
    SLAVE CYLINDER
    PRODUCT NAME:
    CLUTCH REBUILD KIT
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • PROX Clutch Slave Cylinder Rebuild Kit 16.950003

    PROX Clutch Slave Cylinder Rebuild Kit 16.950003

    PROX

    $29.95
    A worn or failing clutch slave cylinder compromises your ability to shift reliably and safely, especially under racing conditions or heavy use. This PROX rebuild kit gives you a cost-effective...
    11320982
    SKU:
    11320982
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    CLUTCH REBUILD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    SLAVE CYLINDER
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • PROX Clutch Slave Cylinder Rebuild Kit 16.950011

    PROX Clutch Slave Cylinder Rebuild Kit 16.950011

    PROX

    $34.95
    A failing clutch slave cylinder compromises your ability to shift smoothly and safely, especially under racing conditions or heavy use. This PROX rebuild kit restores your cylinder to full hydraulic...
    11320989
    SKU:
    11320989
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    CLUTCH REBUILD KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    SLAVE CYLINDER
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S63001

    PROX Clutch Friction Plates 16.S63001

    PROX

    $81.95
    A clutch that slips under load will cost you races—and potentially your engine. The PROX Friction Plates 16.S63001 deliver consistent engagement and maximum power transfer by adhering to exact OEM...
    11312490
    SKU:
    11312490
    Availability:
    Ships Same Business Day
    Weight:
    0.62 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    TYPE:
    CLUTCH
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    FRICTION PLATE SET
    UNITS:
    SET OF 7
    $81.95
    Qty in Cart: 0
    Quantity:
    Price:
    $81.95
    Subtotal:
  • PROX Steel Plate Set 16.S63002

    PROX Steel Plate Set 16.S63002

    PROX

    $55.95
    Factory clutch plates wear down over time, causing slippage, inconsistent engagement, and diminished power transfer during acceleration and gear changes. The PROX Steel Plate Set 16.S63002 replaces...
    11312491
    SKU:
    11312491
    Availability:
    Ships Same Business Day
    Weight:
    0.88 LBS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    SET OF 6
    TYPE:
    CLUTCH
    DRIVE PLATE MATERIAL:
    STEEL
    PRODUCT NAME:
    DRIVE PLATE SET (STEEL PLATE SET)
    Qty in Cart: 0
    Quantity:
    Price:
    $55.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S14039

    PROX Clutch Friction Plates 16.S14039

    PROX

    $91.95
    Clutch slippage under load compromises acceleration and wastes power at the track or on the street. PROX Friction Plates 16.S14039 are engineered to exact OEM specifications, delivering consistent...
    11312262
    SKU:
    11312262
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    PRODUCT NAME:
    FRICTION PLATE SET
    UNITS:
    SET OF 8
    $91.95
    Qty in Cart: 0
    Quantity:
    Price:
    $91.95
    Subtotal:
  • PROX Steel Plates 16.S11002

    PROX Steel Plates 16.S11002

    PROX

    $25.95
    OEM clutch plates wear predictably, but premature fade and inconsistent engagement can compromise your shifts and throttle response—especially under sustained track conditions. PROX Steel Plates...
    11311304
    SKU:
    11311304
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    PRODUCT NAME:
    DRIVE PLATE (STEEL PLATE)
    UNITS:
    SET OF 4
    DRIVE PLATE MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S12004

    PROX Clutch Friction Plates 16.S12004

    PROX

    $79.95
    A worn or slipping clutch directly cuts into your power delivery and consistency on track. These PROX friction plates are manufactured to exact OEM specifications, ensuring reliable engagement and...
    11311308
    SKU:
    11311308
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    FRICTION PLATE SET
    TYPE:
    CLUTCH
    UNITS:
    SET OF 7
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • PROX Steel Plates 16.S12024

    PROX Steel Plates 16.S12024

    PROX

    $34.95
    OEM clutch plates wear quickly under aggressive driving and racing conditions, compromising bite and modulation when you need it most. PROX Steel Plates deliver superior durability and improved...
    11311313
    SKU:
    11311313
    Availability:
    Ships Same Business Day
    Weight:
    0.70 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.S13014

    PROX Steel Plates 16.S13014

    PROX

    $65.95
    Your braking system is only as good as its friction material, and OEM plates often compromise between cost and performance. PROX Steel Plates deliver superior durability and modulation compared to...
    11311321
    SKU:
    11311321
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    DRIVE PLATE MATERIAL:
    STEEL
    PRODUCT NAME:
    DRIVE PLATE (STEEL PLATE)
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    SET OF 7
    TYPE:
    CLUTCH
    Qty in Cart: 0
    Quantity:
    Price:
    $65.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S13035

    PROX Clutch Friction Plates 16.S13035

    PROX

    $91.95
    A worn or slipping clutch directly impacts power transfer and throttle response, compromising your acceleration and overall engine performance. The PROX Friction Plates 16.S13035 deliver consistent,...
    11311324
    SKU:
    11311324
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    SET OF 8
    PRODUCT NAME:
    FRICTION PLATE SET
    TYPE:
    CLUTCH
    RIDING STYLE:
    OFF-ROAD
    $91.95
    Qty in Cart: 0
    Quantity:
    Price:
    $91.95
    Subtotal:
  • PROX Steel Plates 16.S23018

    PROX Steel Plates 16.S23018

    PROX

    $30.95
    OEM clutch plates wear down under repeated heat cycles, causing inconsistent engagement and reduced braking performance. PROX Steel Plates deliver superior durability and a more responsive feel than...
    11311363
    SKU:
    11311363
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    DRIVE PLATE MATERIAL:
    STEEL
    PRODUCT NAME:
    DRIVE PLATE (STEEL PLATE)
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    UNITS:
    SET OF 8
    $30.95
    Qty in Cart: 0
    Quantity:
    Price:
    $30.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S23048

    PROX Clutch Friction Plates 16.S23048

    PROX

    $79.95
    Worn or glazed clutch friction plates rob you of reliable engagement and crisp power transfer to the track or street. PROX Friction Plates 16.S23048 restore OEM-level performance with factory-spec...
    11311367
    SKU:
    11311367
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    RIDING STYLE:
    ATV
    TYPE:
    CLUTCH
    UNITS:
    SET OF 7
    PRODUCT NAME:
    FRICTION PLATE SET
    RIDING STYLE:
    UTV
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S24028

    PROX Clutch Friction Plates 16.S24028

    PROX

    $59.95
    When your clutch friction plates wear down, power transfer suffers—and on the track or the street, that's unacceptable. The PROX Clutch Friction Plates 16.S24028 are engineered to OEM specifications,...
    11311376
    SKU:
    11311376
    Availability:
    Ships Same Business Day
    Weight:
    0.74 LBS
    PRODUCT NAME:
    FRICTION PLATE SET
    TYPE:
    CLUTCH
    RIDING STYLE:
    ATV
    RIDING STYLE:
    UTV
    UNITS:
    SET OF 8
    Qty in Cart: 0
    Quantity:
    Price:
    $59.95
    Subtotal:
  • PROX Clutch Friction Plates 16.S24031

    PROX Clutch Friction Plates 16.S24031

    PROX

    $69.95
    A worn or glazed clutch friction plate set directly kills power transfer and throttle response—exactly what you can't afford in competition or high-demand driving. The PROX 16.S24031 friction plates...
    11311377
    SKU:
    11311377
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    RIDING STYLE:
    UTV
    TYPE:
    CLUTCH
    UNITS:
    SET OF 8
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    FRICTION PLATE SET
    $69.95
    Qty in Cart: 0
    Quantity:
    Price:
    $69.95
    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

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER