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 Steel Rear Sprocket - Yamaha - 48 Tooth 1210-251-48-STL
MOOSE OFFROAD
$29.95A worn or undersized rear sprocket directly impacts your Yamaha's acceleration, top-end performance, and chain longevity. The MOOSE OFFROAD Steel Rear Sprocket delivers precision-engineered power transfer with material science built to withstand...12101788- SKU:
- 12101788
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 49 Tooth 1210-251-49-STL
MOOSE OFFROAD
$29.95A worn or damaged rear sprocket directly compromises acceleration, top-end performance, and chain longevity across the entire drivetrain. The MOOSE OFFROAD Steel Rear Sprocket delivers OEM-equivalent performance with precision engineering and durability...12101789- SKU:
- 12101789
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 50 Tooth 1210-251-50-STL
MOOSE OFFROAD
$29.95A worn or mismatched rear sprocket directly impacts your Yamaha's acceleration, top-end performance, and chain longevity. This MOOSE OFFROAD steel sprocket delivers the durability and precision tolerances you need for consistent power delivery, whether...12101790- SKU:
- 12101790
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
MOOSE OFFROAD Steel Rear Sprocket - Yamaha - 51 Tooth 1210-251-51-STL
MOOSE OFFROAD
$29.95A quality rear sprocket is fundamental to your bike's drivetrain performance—affecting acceleration, top speed, and overall power delivery. The MOOSE OFFROAD Steel Rear Sprocket delivers the durability and precision needed for consistent performance,...12101791- SKU:
- 12101791
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 50 Tooth - Suzuki/Yamaha 1210-798-50-STL
MOOSE OFFROAD
$29.95A worn or incorrect rear sprocket directly impacts your bike's acceleration, top-end speed, and overall driveability. The MOOSE OFFROAD 50-tooth steel sprocket delivers the precision engineering and durability demanded by serious off-road riders who...12101796- SKU:
- 12101796
- Availability:
- Ships Same Business Day
- Weight:
- 1.79 LBS
$29.95 -
MOOSE OFFROAD Rear Sprocket - 52 Tooth - Suzuki/Yamaha 1210-798-52-STL
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical for optimizing your bike's acceleration, top-end speed, and overall powerband characteristics. The MOOSE OFFROAD 52-tooth rear sprocket delivers the precision engineering and durability required for serious...12101797- SKU:
- 12101797
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 46 Tooth 1210-894-46-STL
MOOSE OFFROAD
$29.95A quality rear sprocket is fundamental to reliable power delivery and drivetrain longevity on any serious off-road machine. The MOOSE OFFROAD Steel Rear Sprocket combines precision engineering with proven materials to deliver consistent performance lap...12101798- SKU:
- 12101798
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - 48 Tooth 1210-894-48-STL
MOOSE OFFROAD
$29.95A properly matched rear sprocket is critical for optimizing your bike's acceleration, top-end speed, and overall drivetrain efficiency. The MOOSE OFFROAD 48-tooth steel sprocket delivers the durability and precision needed to handle aggressive riding...12101799- SKU:
- 12101799
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
$29.95 -
MOOSE OFFROAD Rear Sprocket - 42 Tooth - BMW 1210-003-42-ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is fundamental to optimizing your BMW's acceleration, top-end speed, and overall drivetrain efficiency. The MOOSE OFFROAD 42-tooth sprocket delivers the precision engineering and durability you need for consistent, reliable...12102087- SKU:
- 12102087
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
MOOSE OFFROAD Rear Sprocket - 47 Tooth - BMW 1210-003-47-ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical to optimizing your BMW's power delivery and acceleration characteristics. The MOOSE OFFROAD 47-tooth sprocket delivers the right gear ratio for aggressive trail riding or track work without sacrificing top-end...12102088- SKU:
- 12102088
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - BMW - 44 Tooth 1210-007-44-ST
MOOSE OFFROAD
$29.95A high-performance rear sprocket is critical to your BMW's acceleration, top-end speed, and overall drivetrain efficiency. The MOOSE OFFROAD Steel Rear Sprocket delivers precision engineering and durability for riders who demand reliable performance on...12102089- SKU:
- 12102089
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - BMW - 45 Tooth 1210-007-45-ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical to optimizing your BMW's acceleration, top-end speed, and engine efficiency. The MOOSE OFFROAD 45-tooth sprocket delivers precision engineering and durability for riders who demand reliable performance across...12102090- SKU:
- 12102090
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 44 Tooth 1210-273-44-ST
MOOSE OFFROAD
$29.95A quality rear sprocket is fundamental to your Honda's acceleration, top-end performance, and powertrain longevity. This 44-tooth MOOSE OFFROAD sprocket delivers the precision engineering and durability demanded by riders who push their machines to the...12102091- SKU:
- 12102091
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 45 Tooth 1210-273-45-ST
MOOSE OFFROAD
$29.95A 45-tooth rear sprocket transforms your Honda's acceleration and throttle response, giving you quicker getaways and more usable power in the mid-range. Whether you're tackling tight trail sections or maximizing performance on demanding terrain, this...12102092- SKU:
- 12102092
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 42 Tooth 1210-300-42-ST
MOOSE OFFROAD
$29.95A worn or damaged rear sprocket will degrade acceleration, throttle response, and overall drivetrain efficiency—making it one of the first components to inspect during a rebuild or performance tuning. The MOOSE OFFROAD Steel Rear Sprocket delivers the...12102094- SKU:
- 12102094
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 43 Tooth 1210-300-43-ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical to optimizing your Honda's power delivery, acceleration, and top-end performance. The MOOSE OFFROAD 43-tooth sprocket delivers the right gear ratio for aggressive riding while maintaining durability under...12102095- SKU:
- 12102095
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 46 Tooth 1210-300-46-ST
MOOSE OFFROAD
$29.95A worn or undersized rear sprocket forces your engine to work harder and limits your acceleration potential. This 46-tooth MOOSE OFFROAD sprocket delivers the gearing you need for responsive throttle response and improved torque delivery while...12102096- SKU:
- 12102096
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 48 Tooth 1210-300-48-ST
MOOSE OFFROAD
$29.95A worn or damaged rear sprocket directly impacts your Honda's acceleration, chain longevity, and overall drivetrain efficiency. The MOOSE OFFROAD Steel Rear Sprocket delivers precision engineering with reduced unsprung weight, ensuring reliable power...12102098- SKU:
- 12102098
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 43 Tooth 1210-1332-43-ST
MOOSE OFFROAD
$29.95A quality rear sprocket is fundamental to optimizing your Honda's acceleration, top-end performance, and drivetrain longevity. The MOOSE OFFROAD 43-tooth sprocket delivers the precision engineering and durability demanded by serious riders and racers who...12102100- SKU:
- 12102100
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
$29.95 -
MOOSE OFFROAD Steel Rear Sprocket - Honda - 45 Tooth 1210-1332-45-ST
MOOSE OFFROAD
$29.95A rear sprocket is critical to your drivetrain's efficiency, acceleration, and overall power delivery. This MOOSE OFFROAD 45-tooth steel sprocket delivers the durability and precision machining required for serious off-road riding and racing applications...12102102- SKU:
- 12102102
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
$29.95
