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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- Price
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MOOSE RACING Front Sprocket - 12 Tooth - Gas Gas/Kawasaki/Yamaha 26-4137-12CRMO
MOOSE RACING
$18.95A worn or undersized front sprocket robs your bike of acceleration and increases chain wear across your entire drivetrain. The MOOSE RACING 12-tooth front sprocket restores precise power delivery to your countershaft while distributing driveline forces...12122193- SKU:
- 12122193
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
$18.95 -
MOOSE RACING Front Sprocket - 13 Tooth - Gas Gas/Kawasaki/Yamaha 26-4137-13CRMO
MOOSE RACING
$18.95A worn or undersized front sprocket robs your bike of acceleration and top-end performance. The MOOSE RACING 13-tooth chromoly sprocket delivers precise engagement with your countershaft, eliminating slack and maximizing power transfer to the ground...12122194- SKU:
- 12122194
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
$18.95 -
MOOSE RACING Front Sprocket - 14 Tooth - Kawasaki/Yamaha 26-4137-14CRMO
MOOSE RACING
$19.95A worn or incorrect front sprocket directly impacts your throttle response, acceleration, and overall drivetrain efficiency. This MOOSE RACING 14-tooth sprocket delivers precision engineering and durability built for demanding dirt, adventure, and ATV...12122195- SKU:
- 12122195
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$19.95 -
MOOSE RACING Front Sprocket - 15 Tooth - Yamaha 26-4137-15CRMO
MOOSE RACING
$19.95A worn or damaged front sprocket compromises your entire drivetrain—costing you power transfer efficiency and risking catastrophic failure during critical rides. The MOOSE RACING 15-tooth front sprocket delivers precision-engineered durability with...12122196- SKU:
- 12122196
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$19.95 -
MOOSE RACING Front Sprocket - 12 Tooth - Suzuki/Yamaha 26-4144-12CRMO
MOOSE RACING
$16.95Your bike's front sprocket is the first link in your driveline, and a worn or undersized unit robs you of acceleration and efficiency. The MOOSE RACING 12-tooth front sprocket delivers precise engagement with your countershaft through broached inner...12122197- SKU:
- 12122197
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$16.95 -
MOOSE RACING Front Sprocket - 13 Tooth - Suzuki/Yamaha 26-4144-13CRMO
MOOSE RACING
$16.95A worn or compromised front sprocket directly impacts power delivery, acceleration, and overall drivetrain efficiency. The MOOSE RACING 13-tooth front sprocket restores precise engagement with your countershaft while distributing forces across a larger...12122198- SKU:
- 12122198
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$16.95 -
MOOSE RACING Front Sprocket - 14 Tooth - Suzuki/Yamaha 26-4144-14CRMO
MOOSE RACING
$16.95A worn or incorrect front sprocket directly impacts your bike's acceleration, top-end speed, and clutch wear—making tooth count selection critical for your riding style and terrain. The MOOSE RACING 14-tooth front sprocket delivers precision engineering...12122199- SKU:
- 12122199
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$16.95 -
MOOSE RACING Front Sprocket - 15 Tooth - Suzuki/Yamaha 26-4144-15CRMO
MOOSE RACING
$17.95A worn or poorly-matched front sprocket directly impacts power delivery, acceleration, and driveline durability. The MOOSE RACING 15-tooth front sprocket delivers OEM-exact geometry with superior material science—engineered to handle sustained high-load...12122200- SKU:
- 12122200
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
$17.95 -
MOOSE RACING Front Sprocket - 14 Tooth - YZ 85 26-4146-14CRMO
MOOSE RACING
$16.95A worn or improperly sized front sprocket directly impacts throttle response, acceleration, and engine load—making sprocket selection critical for dirt bike performance. The MOOSE RACING 14-tooth front sprocket is engineered to deliver precise power...12122203- SKU:
- 12122203
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$16.95 -
MOOSE RACING Front Sprocket - 14 Tooth - XT 600 26-4153-14CRMO
MOOSE RACING
$25.95A worn or undersized front sprocket directly impacts acceleration response and power delivery across the entire RPM band. The MOOSE RACING 14-tooth front sprocket is engineered to maximize chainline efficiency while maintaining precise engagement with...12122204- SKU:
- 12122204
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$25.95 -
MOOSE RACING Front Sprocket - 15 Tooth - Yamaha 26-4153-15CRMO
MOOSE RACING
$26.95A worn or undersized front sprocket directly compromises acceleration and power delivery across the entire powerband. This MOOSE RACING 15-tooth sprocket restores precision engagement with your countershaft, eliminating slack and ensuring consistent...12122205- SKU:
- 12122205
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$26.95 -
MOOSE RACING Front Sprocket - 16 Tooth - Yamaha 26-4153-16CRMO
MOOSE RACING
$26.95Your front sprocket is the foundation of your powertrain's responsiveness and durability. A worn or undersized sprocket compromises acceleration, throttle response, and overall driveline efficiency—leaving performance gains on the table. The MOOSE RACING...12122206- SKU:
- 12122206
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
$26.95 -
MOOSE RACING Front Sprocket - 14 Tooth - XTZ 750 26-4154-14CRMO
MOOSE RACING
$22.95A worn or incorrect front sprocket directly impacts acceleration, top-end speed, and driveline efficiency on your XTZ 750. The MOOSE RACING 14-tooth front sprocket is engineered to exact OEM specifications with precision-broached splines that distribute...12122207- SKU:
- 12122207
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$22.95 -
MOOSE RACING Front Sprocket - 15 Tooth - XTZ 750 26-4154-15CRMO
MOOSE RACING
$22.95A 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 -
MOOSE RACING Front Sprocket - 16 Tooth - XTZ 750 26-4154-16CRMO
MOOSE RACING
$22.95A 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 -
MOOSE RACING Front Sprocket - 17 Tooth - XTZ 750 26-4154-17CRMO
MOOSE RACING
$22.95A 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 -
MOOSE RACING Front Sprocket - 18 Tooth - XTZ 750 26-4154-18CRMO
MOOSE RACING
$23.95A 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 -
MOOSE RACING Front Sprocket - 13 Tooth - Yamaha 26-4163-13CRMO
MOOSE RACING
$22.95A 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 -
MOOSE RACING Front Sprocket - 14 Tooth - Yamaha 26-4163-14CRMO
MOOSE RACING
$22.95A 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 -
MOOSE RACING Front Sprocket - 15 Tooth - Yamaha 26-4163-15CRMO
MOOSE RACING
$22.95A 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
