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
-
JT SPROCKETS Counter Shaft Sprocket - 16-Tooth JTF253.16
JT SPROCKETS
$6.53A worn or undersized counter shaft sprocket directly compromises your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 16-Tooth Counter Shaft Sprocket delivers computer-optimized geometry that maximizes power...12120226- SKU:
- 12120226
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 16
- TYPE:
- COUNTERSHAFT
- CHAIN SIZE:
- 420
- MODEL:
- HONDA
$6.53 -
JT SPROCKETS Sprocket - Rear - Yamaha - 42-Tooth JTR1857.42
JT SPROCKETS
$27.85A properly sized rear sprocket is critical to maximizing your Yamaha's acceleration, top-end speed, and overall power delivery. This 42-tooth JT sprocket delivers the precision engineering required for consistent performance, whether you're tracking your...12120235- SKU:
- 12120235
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 42
- TYPE:
- REAR
- MODEL:
- YAMAHA
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
$27.85 -
JT SPROCKETS Sprocket - Rear - Honda - 46-Tooth JTR245/2.46
JT SPROCKETS
$31.33A quality rear sprocket is fundamental to your drivetrain's efficiency and longevity. The JT Sprockets 46-tooth rear sprocket combines precision engineering with Japanese high-carbon steel construction to deliver consistent power transfer and extended...12120237- SKU:
- 12120237
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MATERIAL:
- C45 HIGH-CARBON STEEL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$31.33 -
JT SPROCKETS Sprocket - Rear - Honda - 43-Tooth JTR284.43
JT SPROCKETS
$44.78A worn or undersized rear sprocket robs your Honda of acceleration and top-end performance. The JT Sprockets 43-tooth rear sprocket delivers the precision engineering and durability needed to handle sustained high-RPM demands without compromising...JTR28443- SKU:
- JTR28443
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- CHAIN SIZE:
- 530
- TOOTH COUNT:
- 43
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
$44.78 -
JT SPROCKETS Sprocket - Rear - Honda - 48-Tooth JTR284.48
JT SPROCKETS
$44.65A properly matched rear sprocket is critical to your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 48-tooth rear sprocket delivers the precision engineering and durability you need for consistent performance,...JTR28448- SKU:
- JTR28448
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 48
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- CHAIN SIZE:
- 530
- RIDING STYLE:
- STREET
$44.65 -
JT SPROCKETS Sprocket - Rear - Husqvarna - 52-Tooth JTR822.52
JT SPROCKETS
$39.53A rear sprocket is critical to your power delivery and acceleration—choose the wrong tooth count or material, and you're leaving performance on the table. The JT Sprockets 52-tooth rear sprocket for Husqvarna delivers the strength you need for aggressive...12120245- SKU:
- 12120245
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- C45 HIGH-CARBON STEEL
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 52
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
$39.53 -
JT SPROCKETS Counter Shaft Sprocket - 12-Tooth JTF1565.12
JT SPROCKETS
$11.65A worn or undersized counter shaft sprocket directly impacts your bike's acceleration and overall drivetrain efficiency. The JT Sprockets 12-tooth counter shaft sprocket delivers computer-optimized tooth geometry and precision manufacturing to maximize...12120301- SKU:
- 12120301
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- TOOTH COUNT:
- 12
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
$11.65 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 47-Tooth JTR460.47
JT SPROCKETS
$33.55A properly sized rear sprocket is critical to maximizing your powerband and maintaining optimal chain tension across your Kawasaki or Suzuki's operating range. This 47-tooth JT sprocket delivers the precision engineering and durability expected in...JTR46047- SKU:
- JTR46047
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
$33.55 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 48-Tooth JTR461.48
JT SPROCKETS
$21.13A worn or mismatched rear sprocket directly impacts your acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 48-tooth rear sprocket is engineered to deliver maximum strength while minimizing rotating mass—critical for both...JTR46148- SKU:
- JTR46148
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- MOUNTING POSITION:
- REAR
$21.13Qty in Cart: 0Quantity:Price:$21.13Subtotal: -
JT SPROCKETS Rear Sprocket - Honda - Red - 42 Tooth JTA210.42RED
JT SPROCKETS
$32.20A quality rear sprocket is fundamental to your Honda's acceleration, top-end performance, and drivetrain longevity. The JT Sprockets 42-tooth rear sprocket delivers the precision engineering and durability you need to maximize power transfer while...12112563- SKU:
- 12112563
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- COLOR/FINISH:
- RED
- TOOTH COUNT:
- 42
- TYPE:
- REAR
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
$32.20 -
JT SPROCKETS Rear Sprocket - Honda - Red - 44 Tooth JTA210.44RED
JT SPROCKETS
$34.03A rear sprocket is one of the most direct ways to tune your Honda's acceleration and top-end performance. The JT SPROCKETS 44-tooth rear sprocket delivers the precise gear ratio you need for track or street riding, while its heat-treated construction and...12112564- SKU:
- 12112564
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 44
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
$34.03 -
JT SPROCKETS Rear Sprocket - Honda - Red - 46 Tooth JTA210.46RED
JT SPROCKETS
$36.28A rear sprocket is critical to your Honda's acceleration, top-end speed, and overall drivetrain efficiency—get the gearing wrong, and you're leaving performance on the table. The JT Sprockets 46-tooth rear sprocket delivers the precision engineering and...12112566- SKU:
- 12112566
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 46
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- RED
- TYPE:
- REAR
- UNITS:
- EACH
$36.28 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 54-Tooth JTR461.54
JT SPROCKETS
$26.38A worn or incorrectly sized rear sprocket directly impacts your acceleration, top-end speed, and overall drivetrain efficiency. The JT Sprockets 54-tooth rear sprocket is engineered to deliver reliable power transfer with minimal rotating mass, giving...JTR46154- SKU:
- JTR46154
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- CHAIN SIZE:
- 420
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 54
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$26.38 -
JT SPROCKETS Rear Sprocket - Honda - Red - 47 Tooth JTA210.47RED
JT SPROCKETS
$37.38A precision rear sprocket is critical to your Honda's acceleration, top-end performance, and overall drivetrain efficiency. The JT 47-tooth sprocket delivers computer-optimized design that balances strength with minimal weight, ensuring reliable power...12112568- SKU:
- 12112568
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$37.38 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 50-Tooth JTR462.50
JT SPROCKETS
$25.28A properly sized rear sprocket is fundamental to extracting maximum performance from your Kawasaki or Suzuki—it directly impacts acceleration, top speed, and power delivery to the rear wheel. The JT Sprockets 50-tooth rear sprocket combines precision...JTR46250- SKU:
- JTR46250
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- CHAIN SIZE:
- 428
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
$25.28 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 54-Tooth JTR462.54
JT SPROCKETS
$29.78A worn or undersized rear sprocket robs your Kawasaki or Suzuki of acceleration and top-end performance. The JT 54-tooth rear sprocket restores the precise gear ratio your drivetrain demands, delivering crisp power delivery and consistent engagement...JTR46254- SKU:
- JTR46254
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 54
$29.78 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 44-Tooth JTR464.44
JT SPROCKETS
$22.83A properly sized rear sprocket is critical for optimizing your Kawasaki or Suzuki's acceleration, top speed, and overall drivetrain efficiency. The JT Sprockets 44-tooth rear sprocket delivers the precision engineering and durability you need to maintain...JTR46444- SKU:
- JTR46444
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- CHAIN SIZE:
- 420
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 44
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$22.83Qty in Cart: 0Quantity:Price:$22.83Subtotal: -
JT SPROCKETS Rear Sprocket - Suzuki - Black - 48-Tooth JTA808.48BLK
JT SPROCKETS
$37.38A properly sized rear sprocket is critical for optimizing your Suzuki's power delivery and acceleration characteristics. This 48-tooth RaceLite sprocket delivers the durability required for sustained high-RPM operation while maintaining the gear ratio...12112595- SKU:
- 12112595
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
$37.38 -
JT SPROCKETS Rear Sprocket - 520 - Black - 44 Tooth JTA822.44BLK
JT SPROCKETS
$34.03A rear sprocket is fundamental to your drivetrain's efficiency and power delivery—choosing the wrong tooth count costs you acceleration, top speed, or fuel economy. The JT SPROCKETS 44-tooth rear sprocket is engineered for riders who demand precision...12112596- SKU:
- 12112596
- Availability:
- Ships Same Business Day
- Weight:
- 0.77 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- TOOTH COUNT:
- 44
- TYPE:
- REAR
$34.03 -
JT SPROCKETS Rear Sprocket - 520 - Black - 49 Tooth JTA822.49BLK
JT SPROCKETS
$38.88A properly sized rear sprocket is fundamental to optimizing your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT SPROCKETS 49-tooth rear sprocket combines precision engineering with proven durability, ensuring consistent...12112598- SKU:
- 12112598
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 49
- COLOR/FINISH:
- BLACK
- TYPE:
- REAR
- UNITS:
- EACH
$38.88Qty in Cart: 0Quantity:Price:$38.88Subtotal:
