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!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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MOOSE OFFROAD Rear Sprocket - 51 Tooth - Yamaha 1211-251-51-11
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket directly impacts your acceleration, top speed, and overall drivetrain efficiency on your Yamaha. The MOOSE OFFROAD 51-tooth sprocket delivers optimized gearing for...12111589- SKU:
- 12111589
- Availability:
- Ships Same Business Day
- Weight:
- 1.24 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 49 Tooth - Yamaha 1211-853-49-11
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket directly impacts your bike's acceleration, top-end performance, and chain longevity. The MOOSE OFFROAD 49-tooth sprocket is precision-machined from premium 7075...12111598- SKU:
- 12111598
- Availability:
- Ships Same Business Day
- Weight:
- 11.02 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 50 Tooth - Yamaha 1211-853-50-11
MOOSE OFFROAD
$39.95If you're running Yamaha dirt bikes or ATVs hard, sprocket wear directly impacts acceleration, top speed, and chain longevity. The MOOSE OFFROAD 50-tooth rear sprocket delivers the precision...12111599- SKU:
- 12111599
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 49 Tooth - Honda/Yamaha 1211-245-49-12
MOOSE OFFROAD
$39.95A quality rear sprocket is fundamental to consistent power delivery and chain longevity in off-road riding. The MOOSE OFFROAD 49-tooth sprocket delivers precision engineering that directly impacts...12111610- SKU:
- 12111610
- Availability:
- Ships Same Business Day
- Weight:
- 0.79 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 47 Tooth - Suzuki/Yamaha 1211-798-47-12
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket directly impacts your acceleration, top-end speed, and overall drivetrain efficiency. The MOOSE OFFROAD 47-tooth sprocket delivers the precision engineering and...12111614- SKU:
- 12111614
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 50 Tooth - Suzuki/Yamaha 1211-798-50-12
MOOSE OFFROAD
$39.95A properly sized rear sprocket is fundamental to maximizing your bike's acceleration, top-end speed, and overall driveability. The MOOSE OFFROAD 50-tooth rear sprocket delivers precision engineering...12111617- SKU:
- 12111617
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 48 Tooth - Yamaha 1211-251-48-12
MOOSE OFFROAD
$39.95A rear sprocket is fundamental to your drivetrain's power delivery and acceleration characteristics. The MOOSE OFFROAD 48-tooth sprocket delivers the precision engineering needed for consistent...12111618- SKU:
- 12111618
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 49 Tooth - Yamaha 1211-251-49-12
MOOSE OFFROAD
$39.95A worn or incompatible rear sprocket directly impacts your Yamaha's acceleration, top-end speed, and chain longevity. This MOOSE OFFROAD 49-tooth sprocket delivers the precision engineering and...12111619- SKU:
- 12111619
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 50 Tooth - Yamaha 1211-251-50-12
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket directly impacts your Yamaha's acceleration, top-end speed, and chain longevity. The MOOSE OFFROAD 50-tooth sprocket delivers the precision engineering and...12111620- SKU:
- 12111620
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 51 Tooth - Blue - Yamaha 1211-251-51-12
MOOSE OFFROAD
$39.95A worn or undersized sprocket limits your bike's acceleration and top-end performance. The MOOSE OFFROAD 51-tooth rear sprocket delivers the precision engineering and durability you need for...12111621- SKU:
- 12111621
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 52 Tooth - Yamaha 1211-251-52-12
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket directly impacts your bike's acceleration, top speed, and chain longevity. This 52-tooth sprocket from MOOSE OFFROAD delivers the precise tooth engagement and...12111622- SKU:
- 12111622
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 52 Tooth - Suzuki/Yamaha 1211-798-52-12
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket compromises acceleration, top-end performance, and chain longevity. The MOOSE OFFROAD 52-tooth rear sprocket delivers precision engineering with 7075 T651 aluminum...12111623- SKU:
- 12111623
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 49 Tooth - Yamaha 1211-853-49-12
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket robs your Yamaha of efficiency and introduces premature chain wear. This 49-tooth MOOSE OFFROAD sprocket delivers precise engagement and durability through advanced...12111627- SKU:
- 12111627
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 45 Tooth - Honda 1211-210-45-13
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket directly impacts your Honda's acceleration, top-end speed, and chain longevity. This 45-tooth MOOSE OFFROAD sprocket delivers the precision fit and durability your...12111630- SKU:
- 12111630
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 46 Tooth - Honda 1211-210-46-13
MOOSE OFFROAD
$39.95A 46-tooth rear sprocket directly impacts your bike's acceleration, top-end performance, and chain longevity. If you're running aggressive gearing or looking to optimize power delivery across the RPM...12111631- SKU:
- 12111631
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$39.95Qty in Cart: 0Quantity:Price:$39.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 47 Tooth - Honda 1211-210-47-13
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket directly impacts chain wear, acceleration response, and overall drivetrain efficiency. The MOOSE OFFROAD 47-tooth sprocket delivers precision engineering with 7075...12111632- SKU:
- 12111632
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 48 Tooth - Honda 1211-210-48-13
MOOSE OFFROAD
$39.95Your Honda's drivetrain efficiency hinges on precise power transfer from engine to rear wheel—and a worn or suboptimal sprocket creates drag, noise, and lost performance. This MOOSE OFFROAD 48-tooth...12111633- SKU:
- 12111633
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 49 Tooth - Honda 1211-210-49-13
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket directly impacts your Honda's power delivery, acceleration response, and chain longevity. The MOOSE OFFROAD 49-tooth rear sprocket restores precision engagement...12111634- SKU:
- 12111634
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 50 Tooth - Honda 1211-210-50-13
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket directly impacts your Honda's acceleration, top-end speed, and overall drivetrain efficiency. The MOOSE OFFROAD 50-tooth sprocket delivers the precision engineering...12111635- SKU:
- 12111635
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
$39.95 -
MOOSE OFFROAD Rear Sprocket - 51 Tooth - Honda 1211-210-51-13
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket directly impacts your Honda's power delivery, acceleration, and chain longevity. The MOOSE OFFROAD 51-tooth sprocket restores precise engagement between sprocket...12111636- SKU:
- 12111636
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
$39.95
