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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
  •  MOOSE OFFROAD Rear Sprocket - 51 Tooth 1211-460-51-10

    MOOSE OFFROAD Rear Sprocket - 51 Tooth 1211-460-51-10

    MOOSE OFFROAD

    $39.95
    A quality rear sprocket is fundamental to your drivetrain's efficiency and longevity. This 51-tooth sprocket delivers reliable power transmission with minimal wear on your chain, while its precision engineering ensures consistent engagement across every...
    12111468
    SKU:
    12111468
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 51 Tooth 1211-461-51-10

    MOOSE OFFROAD Rear Sprocket - 51 Tooth 1211-461-51-10

    MOOSE OFFROAD

    $39.95
    A quality rear sprocket is fundamental to reliable power delivery and chain longevity in demanding riding conditions. The MOOSE OFFROAD 51-tooth sprocket uses premium 7075 T651 aluminum with enhanced tempering to resist the distortion common in...
    12111473
    SKU:
    12111473
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 44 Tooth 1211-808-44-10

    MOOSE OFFROAD Rear Sprocket - 44 Tooth 1211-808-44-10

    MOOSE OFFROAD

    $39.95
    A worn or mismatched rear sprocket directly impacts your bike's acceleration, fuel efficiency, and chain longevity. The MOOSE OFFROAD 44-tooth sprocket delivers precision engineering and durability through advanced material science, ensuring consistent...
    12111477
    SKU:
    12111477
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 48 Tooth 1211-808-48-10

    MOOSE OFFROAD Rear Sprocket - 48 Tooth 1211-808-48-10

    MOOSE OFFROAD

    $39.95
    A worn or undersized rear sprocket directly impacts your power delivery, throttle response, and chain wear. The MOOSE OFFROAD 48-tooth sprocket delivers the precision engineering and material science needed to maximize drivetrain efficiency while...
    12111479
    SKU:
    12111479
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 49 Tooth 1211-808-49-10

    MOOSE OFFROAD Rear Sprocket - 49 Tooth 1211-808-49-10

    MOOSE OFFROAD

    $39.95
    A properly sized rear sprocket is critical for optimizing your bike's power delivery, acceleration, and overall driveability. The MOOSE OFFROAD 49-tooth sprocket delivers the precision engineering and durable construction needed to handle...
    12111480
    SKU:
    12111480
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 50 Tooth 1211-808-50-10

    MOOSE OFFROAD Rear Sprocket - 50 Tooth 1211-808-50-10

    MOOSE OFFROAD

    $39.95
    A quality rear sprocket is fundamental to drivetrain efficiency and chain longevity. The MOOSE OFFROAD 50-tooth sprocket delivers precision engineering that maximizes tooth engagement with your chain, reducing wear and power loss. With full CNC machining...
    12111481
    SKU:
    12111481
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 51 Tooth 1211-808-51-10

    MOOSE OFFROAD Rear Sprocket - 51 Tooth 1211-808-51-10

    MOOSE OFFROAD

    $39.95
    A worn or undersized rear sprocket robs your machine of efficiency and acceleration. The MOOSE OFFROAD 51-tooth rear sprocket delivers superior tooth engagement and chain contact through precision machining, ensuring consistent power delivery without the...
    12111482
    SKU:
    12111482
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 48 Tooth 1211-251-48-10

    MOOSE OFFROAD Rear Sprocket - 48 Tooth 1211-251-48-10

    MOOSE OFFROAD

    $39.95
    A worn or mismatched rear sprocket kills efficiency and forces your chain to work harder than it should. The MOOSE OFFROAD 48-tooth sprocket delivers precise tooth engagement and chain contact, translating directly to smoother acceleration, reduced wear,...
    12111488
    SKU:
    12111488
    Availability:
    Ships Same Business Day
    Weight:
    1.04 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 49 Tooth 1211-251-49-10

    MOOSE OFFROAD Rear Sprocket - 49 Tooth 1211-251-49-10

    MOOSE OFFROAD

    $39.95
    A quality rear sprocket is critical to your drivetrain's efficiency and longevity—mismatched or worn sprockets rob you of power transfer and accelerate chain wear. The MOOSE OFFROAD 49-tooth rear sprocket delivers the precision engineering and material...
    12111489
    SKU:
    12111489
    Availability:
    Ships Same Business Day
    Weight:
    0.87 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 50 Tooth 1211-251-50-10

    MOOSE OFFROAD Rear Sprocket - 50 Tooth 1211-251-50-10

    MOOSE OFFROAD

    $39.95
    A high-performance rear sprocket is critical for maximizing power transfer and maintaining chain engagement under load. The MOOSE OFFROAD 50-tooth sprocket delivers precision machining and premium materials that eliminate power loss, reduce wear, and...
    12111490
    SKU:
    12111490
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 51 Tooth - Yamaha 1211-251-51-10

    MOOSE OFFROAD Rear Sprocket - 51 Tooth - Yamaha 1211-251-51-10

    MOOSE OFFROAD

    $39.95
    A worn or incorrect sprocket directly impacts your Yamaha's acceleration, top-end performance, and chain longevity. The MOOSE OFFROAD 51-tooth rear sprocket is precision-engineered to deliver consistent power transfer with minimal drivetrain slack,...
    12111491
    SKU:
    12111491
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 50 Tooth - Yamaha 1211-853-50-10

    MOOSE OFFROAD Rear Sprocket - 50 Tooth - Yamaha 1211-853-50-10

    MOOSE OFFROAD

    $39.95
    A worn or undersized rear sprocket directly impacts your power delivery, acceleration, and overall drivetrain efficiency. The MOOSE OFFROAD 50-tooth sprocket is precision-engineered from aerospace-grade 7075 T651 aluminum with enhanced tempering to...
    12111501
    SKU:
    12111501
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 47 Tooth - Honda 1211-210-47-11

    MOOSE OFFROAD Rear Sprocket - 47 Tooth - Honda 1211-210-47-11

    MOOSE OFFROAD

    $39.95
    A worn or undersized sprocket will rob your Honda of acceleration and chain efficiency. This 47-tooth rear sprocket delivers precise power transfer and extends your drivetrain's service life through superior material science and meticulous machining...
    12111512
    SKU:
    12111512
    Availability:
    Ships Same Business Day
    Weight:
    0.84 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 48 Tooth - Honda 1211-210-48-11

    MOOSE OFFROAD Rear Sprocket - 48 Tooth - Honda 1211-210-48-11

    MOOSE OFFROAD

    $39.95
    A rear sprocket is one of the most direct ways to dial in your bike's acceleration and top-end performance. The MOOSE OFFROAD 48-tooth sprocket delivers the durability and precision needed for hard-use riding, where chain slippage and premature wear...
    12111513
    SKU:
    12111513
    Availability:
    Ships Same Business Day
    Weight:
    0.83 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 49 Tooth - Honda 1211-210-49-11

    MOOSE OFFROAD Rear Sprocket - 49 Tooth - Honda 1211-210-49-11

    MOOSE OFFROAD

    $39.95
    A worn or undersized rear sprocket directly impacts your Honda's acceleration, chain longevity, and overall drivetrain efficiency. This 49-tooth MOOSE OFFROAD sprocket delivers precision engineering that maximizes tooth-to-chain contact, reducing wear...
    12111514
    SKU:
    12111514
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 50 Tooth - Honda 1211-210-50-11

    MOOSE OFFROAD Rear Sprocket - 50 Tooth - Honda 1211-210-50-11

    MOOSE OFFROAD

    $39.95
    A worn or mismatched rear sprocket directly impacts your Honda's acceleration, top-end speed, and chain longevity. The MOOSE OFFROAD 50-tooth sprocket delivers precision engineering and durability that keeps you connected to the track or trail with zero...
    12111515
    SKU:
    12111515
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 52 Tooth - Honda 1211-210-52-11

    MOOSE OFFROAD Rear Sprocket - 52 Tooth - Honda 1211-210-52-11

    MOOSE OFFROAD

    $39.95
    A quality rear sprocket is the foundation of reliable acceleration and consistent chain engagement. The MOOSE OFFROAD 52-tooth sprocket delivers the precision machining and material integrity that serious riders demand, ensuring maximum power transfer...
    12111517
    SKU:
    12111517
    Availability:
    Ships Same Business Day
    Weight:
    0.84 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • On Sale
     MOOSE OFFROAD Rear Sprocket - 43 Tooth - Beta/Gas Gas/Sherco/Suzuki 1211-822-43-11

    MOOSE OFFROAD Rear Sprocket - 43 Tooth - Beta/Gas Gas/Sherco/Suzuki 1211-822-43-11

    MOOSE OFFROAD

    MSRP: $39.95
    Now: $26.00
    Was: $39.95
    A rear sprocket is critical to your bike's acceleration, top speed, and overall drivetrain efficiency. The MOOSE OFFROAD 43-tooth sprocket delivers superior durability and consistent power transfer by using premium 7075 T651 aluminum that resists warping...
    12111533
    SKU:
    12111533
    Availability:
    Ships Same Business Day
    Weight:
    0.68 LBS
    MSRP: $39.95
    Now: $26.00
    Was: $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $39.95
    Now: $26.00
    Was: $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 47 Tooth - Beta/Gas Gas/Sherco/Suzuki 1211-822-47-11

    MOOSE OFFROAD Rear Sprocket - 47 Tooth - Beta/Gas Gas/Sherco/Suzuki 1211-822-47-11

    MOOSE OFFROAD

    $39.95
    A worn or mismatched rear sprocket directly impacts acceleration, top-end speed, and chain wear across your entire drivetrain. The MOOSE OFFROAD 47-tooth sprocket delivers the precision engineering needed for consistent performance in competitive...
    12111537
    SKU:
    12111537
    Availability:
    Ships Same Business Day
    Weight:
    0.86 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  •  MOOSE OFFROAD Rear Sprocket - 48 Tooth - Beta/Gas Gas/Sherco/Suzuki 1211-822-48-11

    MOOSE OFFROAD Rear Sprocket - 48 Tooth - Beta/Gas Gas/Sherco/Suzuki 1211-822-48-11

    MOOSE OFFROAD

    $39.95
    A worn or mismatched rear sprocket compromises chain engagement, accelerates drivetrain wear, and robs you of the precise power delivery your bike demands. This MOOSE OFFROAD 48-tooth sprocket delivers the durability and concentricity required for...
    12111538
    SKU:
    12111538
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    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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