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 Front Sprocket - 15 Tooth - XTZ 750 26-4154-15CRMO

    MOOSE RACING Front Sprocket - 15 Tooth - XTZ 750 26-4154-15CRMO

    MOOSE RACING

    $22.95
    A worn or incorrect front sprocket directly impacts your XTZ 750's acceleration, top-end speed, and overall driveline efficiency. MOOSE Racing's 15-tooth sprocket is engineered to exact OEM specifications using high-tensile chromoly steel, ensuring...
    12122208
    SKU:
    12122208
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 16 Tooth - XTZ 750 26-4154-16CRMO

    MOOSE RACING Front Sprocket - 16 Tooth - XTZ 750 26-4154-16CRMO

    MOOSE RACING

    $22.95
    A worn or undersized front sprocket compromises acceleration and limits top-end performance, forcing your engine to work harder while sacrificing reliability. This MOOSE RACING 16-tooth sprocket restores precise power delivery and driveline efficiency...
    12122209
    SKU:
    12122209
    Availability:
    Ships Same Business Day
    Weight:
    0.51 LBS
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 17 Tooth - XTZ 750 26-4154-17CRMO

    MOOSE RACING Front Sprocket - 17 Tooth - XTZ 750 26-4154-17CRMO

    MOOSE RACING

    $22.95
    A worn or damaged front sprocket robs your XTZ 750 of power transfer efficiency and accelerates drivetrain wear across the entire system. This MOOSE RACING replacement restores precise engagement with your countershaft while eliminating play that...
    12122210
    SKU:
    12122210
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 18 Tooth - XTZ 750 26-4154-18CRMO

    MOOSE RACING Front Sprocket - 18 Tooth - XTZ 750 26-4154-18CRMO

    MOOSE RACING

    $23.95
    A worn or incorrect front sprocket directly impacts throttle response, acceleration, and overall driveline efficiency. The MOOSE RACING 18-tooth front sprocket is precision-engineered to restore OEM performance specifications while delivering superior...
    12122211
    SKU:
    12122211
    Availability:
    Ships Same Business Day
    Weight:
    0.64 LBS
    $23.95
    Qty in Cart: 0
    Quantity:
    Price:
    $23.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 13 Tooth - Yamaha 26-4163-13CRMO

    MOOSE RACING Front Sprocket - 13 Tooth - Yamaha 26-4163-13CRMO

    MOOSE RACING

    $22.95
    A worn or undersized front sprocket directly impacts throttle response, acceleration, and overall driveline efficiency—especially in demanding dirt, ADV, and ATV riding. This MOOSE Racing 13-tooth sprocket delivers the precision engineering and...
    12122212
    SKU:
    12122212
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 14 Tooth - Yamaha 26-4163-14CRMO

    MOOSE RACING Front Sprocket - 14 Tooth - Yamaha 26-4163-14CRMO

    MOOSE RACING

    $22.95
    A worn or undersized front sprocket directly impacts your acceleration, top-end speed, and overall drivetrain efficiency. The MOOSE RACING 14-tooth front sprocket delivers the durability and precision engineering needed for consistent performance across...
    12122213
    SKU:
    12122213
    Availability:
    Ships Same Business Day
    Weight:
    0.42 LBS
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 15 Tooth - Yamaha 26-4163-15CRMO

    MOOSE RACING Front Sprocket - 15 Tooth - Yamaha 26-4163-15CRMO

    MOOSE RACING

    $22.95
    A worn or undersized front sprocket directly impacts your bike's acceleration, chain engagement, and overall drivetrain efficiency. The MOOSE RACING 15-tooth front sprocket replaces inferior OEM components with precision-engineered chromoly steel that...
    12122214
    SKU:
    12122214
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 11 Tooth - KTM 26-5122-11CRMO

    MOOSE RACING Front Sprocket - 11 Tooth - KTM 26-5122-11CRMO

    MOOSE RACING

    $21.95
    A worn or undersized front sprocket kills acceleration and limits top-end performance—especially critical in competitive racing where every tooth ratio matters. The MOOSE RACING 11-tooth front sprocket delivers the precise engagement and durability...
    12122215
    SKU:
    12122215
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $21.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 15 Tooth - Beta/Husaberg/Husqvarna/KTM 26-5122-15CRMO

    MOOSE RACING Front Sprocket - 15 Tooth - Beta/Husaberg/Husqvarna/KTM 26-5122-15CRMO

    MOOSE RACING

    $22.95
    A worn or incorrect front sprocket directly impacts acceleration, top-end performance, and drivetrain longevity. The MOOSE RACING 15-tooth front sprocket is precision-engineered to restore OEM-spec performance while delivering superior durability through...
    12122219
    SKU:
    12122219
    Availability:
    Ships Same Business Day
    Weight:
    0.39 LBS
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 16 Tooth - Beta/Husaberg 26-5122-16CRMO

    MOOSE RACING Front Sprocket - 16 Tooth - Beta/Husaberg 26-5122-16CRMO

    MOOSE RACING

    $22.95
    A worn or incorrect front sprocket directly impacts your bike's acceleration, top-end power delivery, and driveline reliability—especially in demanding dirt bike and ADV applications where precision matters. The MOOSE RACING 16-tooth front sprocket is...
    12122220
    SKU:
    12122220
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 12 Tooth - KTM 26-5123-12CRMO

    MOOSE RACING Front Sprocket - 12 Tooth - KTM 26-5123-12CRMO

    MOOSE RACING

    $25.95
    A worn or undersized front sprocket robs your KTM of acceleration and throttle response. The MOOSE RACING 12-Tooth Front Sprocket delivers aggressive low-end power through precision engineering and material science—engineered to handle the brutal forces...
    12122221
    SKU:
    12122221
    Availability:
    Ships Same Business Day
    Weight:
    0.28 LBS
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 13 Tooth - KTM 26-5123-13CRMO

    MOOSE RACING Front Sprocket - 13 Tooth - KTM 26-5123-13CRMO

    MOOSE RACING

    $25.95
    A worn or undersized front sprocket directly impacts throttle response, acceleration, and overall drivetrain efficiency—especially critical in competitive racing where fractional gains matter. The MOOSE RACING 13-tooth front sprocket is...
    12122222
    SKU:
    12122222
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    $25.95
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 14 Tooth - KTM 26-5123-14CRMO

    MOOSE RACING Front Sprocket - 14 Tooth - KTM 26-5123-14CRMO

    MOOSE RACING

    $26.95
    A worn or undersized front sprocket directly impacts your power delivery and acceleration, forcing your engine to work harder and limiting top-end performance. The MOOSE RACING 14-Tooth Front Sprocket is precision-engineered from high-tensile chromoly...
    12122223
    SKU:
    12122223
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 15 Tooth - KTM 26-5123-15CRMO

    MOOSE RACING Front Sprocket - 15 Tooth - KTM 26-5123-15CRMO

    MOOSE RACING

    $26.95
    A worn or undersized front sprocket directly impacts your power delivery and acceleration off the line. The MOOSE RACING 15-tooth front sprocket is engineered to handle the demanding loads of competitive riding while maintaining precise engagement with...
    12122224
    SKU:
    12122224
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 16 Tooth - KTM 26-5123-16CRMO

    MOOSE RACING Front Sprocket - 16 Tooth - KTM 26-5123-16CRMO

    MOOSE RACING

    $26.95
    A worn or suboptimal front sprocket compromises acceleration, throttle response, and overall drivetrain efficiency. The MOOSE RACING 16-tooth front sprocket restores precise power delivery through computer-verified manufacturing and durable chromoly...
    12122225
    SKU:
    12122225
    Availability:
    Ships Same Business Day
    Weight:
    0.44 LBS
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 17 Tooth - KTM 26-5123-17CRMO

    MOOSE RACING Front Sprocket - 17 Tooth - KTM 26-5123-17CRMO

    MOOSE RACING

    $27.95
    A worn or incorrect front sprocket directly impacts throttle response, acceleration, and overall driveline efficiency. The MOOSE RACING 17-tooth front sprocket is engineered for KTM applications where precision engagement and durability under load are...
    12122226
    SKU:
    12122226
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    $27.95
    Qty in Cart: 0
    Quantity:
    Price:
    $27.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 12 Tooth - Husaberg 26-5124-12CRMO

    MOOSE RACING Front Sprocket - 12 Tooth - Husaberg 26-5124-12CRMO

    MOOSE RACING

    $22.95
    A worn or undersized front sprocket forces your countershaft to work harder, reducing throttle response and increasing drivetrain stress—especially critical in competitive dirt bike applications where precision matters. The MOOSE RACING 12-tooth sprocket...
    12122227
    SKU:
    12122227
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 13 Tooth - Husaberg 26-5124-13CRMO

    MOOSE RACING Front Sprocket - 13 Tooth - Husaberg 26-5124-13CRMO

    MOOSE RACING

    $22.95
    A worn or undersized front sprocket directly impacts your throttle response, acceleration, and overall driveline efficiency. The MOOSE RACING 13-tooth front sprocket is engineered with high tensile chromoly steel and precision-broached inner splines to...
    12122228
    SKU:
    12122228
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 14 Tooth - Husaberg 26-5124-14CRMO

    MOOSE RACING Front Sprocket - 14 Tooth - Husaberg 26-5124-14CRMO

    MOOSE RACING

    $22.95
    A worn or undersized front sprocket robs your Husaberg of acceleration and throttle response—this 14-tooth option from MOOSE Racing restores precise power delivery to the countershaft. Built from high-tensile chromoly steel and precision-machined to OEM...
    12122229
    SKU:
    12122229
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE RACING Front Sprocket - 15 Tooth - Husaberg 26-5124-15CRMO

    MOOSE RACING Front Sprocket - 15 Tooth - Husaberg 26-5124-15CRMO

    MOOSE RACING

    $22.95
    Your front sprocket is the critical link between your countershaft and chain, and wear or deformation here directly impacts throttle response, acceleration, and overall drivetrain longevity. MOOSE Racing's 15-tooth front sprocket is precision-machined...
    12122230
    SKU:
    12122230
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    $22.95
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    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