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 Rear Sprocket - 520 - Black - 51 Tooth JTA822.51BLK
JT SPROCKETS
$41.43A properly sized rear sprocket is critical for optimizing your bike's acceleration, top-end speed, and overall drivetrain efficiency. This JT 51-tooth sprocket delivers the precision engineering and durability required for both track performance and...12112599- SKU:
- 12112599
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- BLACK
- TYPE:
- REAR
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 51
- MOUNTING POSITION:
- REAR
$41.43Qty in Cart: 0Quantity:Price:$41.43Subtotal: -
JT SPROCKETS Sprocket - Rear - Suzuki - 48-Tooth JTR798.48
JT SPROCKETS
$26.23A worn or undersized rear sprocket directly impacts your acceleration, top speed, and overall drivetrain efficiency. The JT Sprockets 48-tooth rear sprocket delivers the strength and precision needed for consistent performance, whether you're pushing lap...JTR79848- SKU:
- JTR79848
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- CHAIN SIZE:
- 428
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 48
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
$26.23 -
JT SPROCKETS Sprocket - Rear - Suzuki/Yamaha - 50-Tooth JTR798.50
JT SPROCKETS
$27.38A rear sprocket is one of the highest-wear drivetrain components on any motorcycle, directly impacting acceleration, top-end performance, and chain longevity. The JT Sprockets 50-tooth rear sprocket delivers the precision engineering and material science...JTR79850- SKU:
- JTR79850
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 428
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 50
$27.38Qty in Cart: 0Quantity:Price:$27.38Subtotal: -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 44-Tooth JTR808.44
JT SPROCKETS
$31.08A worn or undersized rear sprocket limits your acceleration and top-end power delivery, forcing your engine to work harder through the rpm range. The JT 44-tooth rear sprocket restores optimal gearing geometry while reducing rotating mass, resulting in...JTR80844- SKU:
- JTR80844
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 44
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$31.08 -
JT SPROCKETS Rear Sprocket - Black - 41-Tooth JTA897.41BLK
JT SPROCKETS
$32.20A properly matched rear sprocket is critical for optimizing your final drive ratio and maximizing acceleration or top-end performance depending on your application. This 41-tooth RaceLite sprocket delivers the durability required for sustained high-RPM...12112628- SKU:
- 12112628
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 41
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$32.20 -
JT SPROCKETS Sprocket - Rear - Kawasaki/Suzuki - 53-Tooth JTR808.53
JT SPROCKETS
$38.60A properly sized rear sprocket is fundamental to optimizing your powerbandâ€"this 53-tooth JT rear sprocket delivers the perfect balance of acceleration and top-end performance for Kawasaki and Suzuki applications. JT's precision engineering and...JTR80853- SKU:
- JTR80853
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 53
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
$38.60 -
JT SPROCKETS Sprocket - Rear - Suzuki - 42-Tooth JTR816.42
JT SPROCKETS
$39.18A worn or mismatched rear sprocket directly impacts acceleration, top speed, and fuel efficiency—making sprocket selection critical for both track performance and street riding. The JT Sprockets 42-Tooth rear sprocket delivers the precision engineering...JTR81642- SKU:
- JTR81642
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 42
- UNITS:
- EACH
- CHAIN SIZE:
- 530
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
$39.18Qty in Cart: 0Quantity:Price:$39.18Subtotal: -
JT SPROCKETS Rear Sprocket - Kawasaki - Black - 49 Tooth JTA460.49BLK
JT SPROCKETS
$38.88A worn or undersized rear sprocket directly impacts acceleration, top-end speed, and overall drivetrain efficiency on your Kawasaki. The JT Sprockets 49-tooth rear sprocket delivers the precision engineering and durability required for consistent track...12112653- SKU:
- 12112653
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- BLACK
- TYPE:
- REAR
$38.88 -
JT SPROCKETS Rear Sprocket - 520 - Black - 48 Tooth JTA822.48BLK
JT SPROCKETS
$37.38A worn or undersized rear sprocket directly impacts your bike's acceleration, top speed, and engine efficiency. The JT SPROCKETS 48-tooth rear sprocket delivers the precision engineering and durability you need for consistent performance, whether you're...12112672- SKU:
- 12112672
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- TYPE:
- DRIVE
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 48
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$37.38 -
JT SPROCKETS Rear Sprocket - 520 - Black - 50 Tooth JTA822.50BLK
JT SPROCKETS
$40.35A properly sized rear sprocket is critical for optimizing your bike's acceleration, top-end speed, and overall power delivery. The JT Sprockets 50-tooth rear sprocket delivers the precision engineering and durability demanded by both track racers and...12112673- SKU:
- 12112673
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- TYPE:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 50
$40.35 -
JT SPROCKETS Rear Sprocket - Black - 38-Tooth JTA897.38BLK
JT SPROCKETS
$30.35A properly matched sprocket is critical for maintaining optimal power delivery and acceleration across your entire power band. This 38-tooth JT RaceLite sprocket delivers the durability you need for sustained high-RPM performance, whether you're on the...12112676- SKU:
- 12112676
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 38
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
$30.35 -
JT SPROCKETS Rear Sprocket - Black - 40-Tooth JTA897.40BLK
JT SPROCKETS
$32.20A rear sprocket is critical to your bike's acceleration, top-end performance, and overall drivetrain efficiency. The JT SPROCKETS 40-tooth rear sprocket gives you the precise gearing you need to optimize power delivery without sacrificing durability...12112677- SKU:
- 12112677
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 40
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
$32.20 -
JT SPROCKETS Rear Sprocket - Black - 45-Tooth JTA897.45BLK
JT SPROCKETS
$35.50A properly sized rear sprocket is essential for optimizing your bike's acceleration, top-end speed, and overall drivetrain efficiency. The JT SPROCKETS 45-tooth rear sprocket delivers reliable performance with minimal wear, whether you're fine-tuning...12112679- SKU:
- 12112679
- Availability:
- Ships Same Business Day
- Weight:
- 0.82 LBS
- COLOR/FINISH:
- BLACK
- TOOTH COUNT:
- 45
- TYPE:
- DRIVE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$35.50 -
JT SPROCKETS Rear Sprocket - Black - 47-Tooth JTA897.47BLK
JT SPROCKETS
$37.38A properly sized rear sprocket is critical for maximizing acceleration and top-end performance while maintaining optimal engine RPM across your power band. The JT RaceLite 47-tooth sprocket delivers the durability and precision required for competitive...12112680- SKU:
- 12112680
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 47
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$37.38 -
JT SPROCKETS Rear Sprocket - Black - 48-Tooth JTA897.48BLK
JT SPROCKETS
$37.38A quality rear sprocket is fundamental to your drivetrain's efficiency and longevity. This 48-tooth RaceLite sprocket delivers consistent acceleration response while the premium 7075-T6 aluminum construction resists wear from high-rpm cycling and chain...12112681- SKU:
- 12112681
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- UNITS:
- EACH
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
$37.38 -
JT SPROCKETS Rear Sprocket - Black - 49-Tooth JTA897.49BLK
JT SPROCKETS
$38.88A properly matched sprocket is critical to your drivetrain's efficiency and longevity. This 49-tooth rear sprocket delivers the right balance of acceleration and top-end performance for your setup, while the aerospace-grade 7075-T6 aluminum construction...12112682- SKU:
- 12112682
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MATERIAL:
- 7075-T6 ALUMINUM
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 49
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- UNITS:
- EACH
$38.88 -
JT SPROCKETS Rear Sprocket - Black - 51-Tooth JTA897.51BLK
JT SPROCKETS
$41.43A properly matched rear sprocket is critical for maximizing acceleration, top-end speed, and engine efficiency in your drivetrain. The JT SPROCKETS 51-Tooth Rear Sprocket delivers the durability and precision required for both track and street...12112684- SKU:
- 12112684
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 51
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- REAR
- MOUNTING POSITION:
- REAR
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$41.43 -
JT SPROCKETS Rear Sprocket - Black - 52-Tooth JTA897.52BLK
JT SPROCKETS
$42.53A properly sized rear sprocket is critical for optimizing your bike's acceleration, top-end speed, and overall power delivery. The JT SPROCKETS 52-tooth rear sprocket delivers the durability and precision you need for consistent performance, whether...12112685- SKU:
- 12112685
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 52
$42.53 -
JT SPROCKETS Rear Sprocket - Orange - 40-Tooth JTA897.40ORG
JT SPROCKETS
$32.20A properly matched rear sprocket is critical for optimizing your bike's acceleration, top-end speed, and overall power delivery. The JT SPROCKETS 40-Tooth RaceLite rear sprocket delivers precision engineering with lightweight 7075-T6 aluminum...12112687- SKU:
- 12112687
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 40
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- STREET
$32.20 -
JT SPROCKETS Rear Sprocket - Orange - 42-Tooth JTA897.42ORG
JT SPROCKETS
$32.20A properly matched rear sprocket is critical for optimizing your bike's acceleration, top speed, and overall drivetrain efficiency. The JT RaceLite 42-tooth rear sprocket delivers reliable performance through precision engineering and durable materials...12112688- SKU:
- 12112688
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TOOTH COUNT:
- 42
- TYPE:
- REAR
$32.20
