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
-
PROX Clutch Friction Plates 16.S23048
PROX
$79.95Worn or glazed clutch friction plates rob you of reliable engagement and crisp power transfer to the track or street. PROX Friction Plates 16.S23048 restore OEM-level performance with factory-spec materials and precise tolerances, eliminating slippage...11311367- SKU:
- 11311367
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH
- UNITS:
- SET OF 7
- PRODUCT NAME:
- FRICTION PLATE SET
- RIDING STYLE:
- UTV
$79.95Qty in Cart: 0Quantity:Price:$79.95Subtotal: -
PROX Clutch Friction Plates 16.S24028
PROX
$59.95When your clutch friction plates wear down, power transfer suffers—and on the track or the street, that's unacceptable. The PROX Clutch Friction Plates 16.S24028 are engineered to OEM specifications, delivering consistent engagement and reliability...11311376- SKU:
- 11311376
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- PRODUCT NAME:
- FRICTION PLATE SET
- TYPE:
- CLUTCH
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- UNITS:
- SET OF 8
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
PROX Clutch Friction Plates 16.S24031
PROX
$69.95A worn or glazed clutch friction plate set directly kills power transfer and throttle response—exactly what you can't afford in competition or high-demand driving. The PROX 16.S24031 friction plates are manufactured to exact OEM specifications, ensuring...11311377- SKU:
- 11311377
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- UTV
- TYPE:
- CLUTCH
- UNITS:
- SET OF 8
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- FRICTION PLATE SET
$69.95 -
PROX Clutch Friction Plates 16.S24041
PROX
$89.95A worn or slipping clutch directly impacts your ability to transfer power reliably to the wheels—whether you're on the track or the street. The PROX Clutch Friction Plates 16.S24041 are manufactured to exact OEM specifications, ensuring consistent...11311378- SKU:
- 11311378
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- FRICTION PLATE SET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- SET OF 8
- TYPE:
- CLUTCH
$89.95Qty in Cart: 0Quantity:Price:$89.95Subtotal: -
PROX Steel Plates 16.S34016
PROX
$41.95OEM clutch plates wear down and lose responsiveness over time, compromising both safety and performance. PROX Steel Plates 16.S34016 deliver superior durability and a more consistent, predictable feel than factory originals while maintaining exact OEM...11311414- SKU:
- 11311414
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- PRODUCT NAME:
- DRIVE PLATE (STEEL PLATE)
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- UNITS:
- SET OF 7
$41.95 -
PROX Clutch Friction Plates 16.S42015
PROX
$99.95Worn or glazed clutch friction plates kill power transfer and throttle response, leaving performance gains on the table. The PROX 16.S42015 friction plate set restores OEM-spec engagement and holding capacity, ensuring consistent power delivery lap after...11311441- SKU:
- 11311441
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PRODUCT NAME:
- FRICTION PLATE SET
- UNITS:
- SET OF 7
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
$99.95Qty in Cart: 0Quantity:Price:$99.95Subtotal: -
PROX Clutch Friction Plates 16.S43027
PROX
$109.95A worn or slipping clutch directly undermines your power delivery and shifts—whether you're on the track or the street. PROX Friction Plates 16.S43027 are engineered to exact OEM specifications, ensuring consistent bite and reliable engagement cycle...11311453- SKU:
- 11311453
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- PRODUCT NAME:
- FRICTION PLATE SET
- UNITS:
- SET OF 8
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
PROX Inner Clutch Hub - CRF150R 18.1227
PROX
$66.95The clutch hub is the critical connection point between your engine's power and transmission—a worn or damaged hub compromises throttle response and driveability. This PROX inner clutch hub restores OEM performance specifications without the dealership...11320506- SKU:
- 11320506
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CLUTCH HUB
- TYPE:
- INNER
$66.95 -
On Sale
SUPERSPROX Steel Rear Sprocket - 52-Tooth RFE-210-52-BLK
SUPERSPROX
MSRP: $49.95Now: $42.46Was: $49.95A worn or undersized rear sprocket will compromise acceleration, top-end performance, and drivetrain efficiency across street and off-road applications. The SUPERSPROX 52-tooth steel sprocket delivers race-proven durability and precise fitment without...12101889- SKU:
- 12101889
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- TOOTH COUNT:
- 52
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- REAR
MSRP: $49.95Now: $42.46Was: $49.95Qty in Cart: 0Quantity:Price:MSRP: $49.95Now: $42.46Was: $49.95Subtotal: -
On Sale
SUPERSPROX Steel Rear Sprocket - 51-Tooth RFE-457-51-BLK
SUPERSPROX
MSRP: $39.95Now: $33.96Was: $39.95A rear sprocket is one of the highest-wear drivetrain components on any bike, and a worn or poorly manufactured unit will rob you of power delivery and acceleration. The SUPERSPROX Steel Rear Sprocket RFE-457-51-BLK is engineered on the race track to...12101900- SKU:
- 12101900
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- REAR
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
MSRP: $39.95Now: $33.96Was: $39.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Orange RACD90544ORG
SUPERSPROX
MSRP: $10.95Now: $9.31Was: $10.95A worn or damaged rear sprocket compromises your bike's acceleration, top-end performance, and overall drivetrain efficiency. The SUPERSPROX Edge Rear Sprocket Insert replaces the stamped steel construction found on OEM sprockets with...12102374- SKU:
- 12102374
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ORANGE
- UNITS:
- EACH
MSRP: $10.95Now: $9.31Was: $10.95 -
On Sale
SUPERSPROX Edge Rear Sprocket - Black - 42-Tooth RFA130442BLK
SUPERSPROX
MSRP: $54.95Now: $46.71Was: $54.95The SUPERSPROX Edge Rear Sprocket delivers measurable weight savings without compromising durability, making it an ideal upgrade for riders seeking improved acceleration and reduced unsprung mass. At a mid-range price point, this sprocket offers genuine...12102375- SKU:
- 12102375
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 42
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MODEL:
- EDGE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
MSRP: $54.95Now: $46.71Was: $54.95 -
On Sale
SUPERSPROX Edge Rear Sprocket - Black - 48-Tooth RFA130443BLK
SUPERSPROX
MSRP: $49.95Now: $42.46Was: $49.95Lightweight sprocket upgrades directly impact acceleration and reduce rotational mass—critical factors whether you're chasing lap times or optimizing street performance. The SUPERSPROX Edge 48-tooth rear sprocket delivers noticeable weight savings of...12102376- SKU:
- 12102376
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MODEL:
- EDGE
- MOUNTING POSITION:
- REAR
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- TOOTH COUNT:
- 43
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
MSRP: $49.95Now: $42.46Was: $49.95Qty in Cart: 0Quantity:Price:MSRP: $49.95Now: $42.46Was: $49.95Subtotal: -
On Sale
SUPERSPROX Edge Rear Sprocket - Black - 42-Tooth RFA130642BLK
SUPERSPROX
MSRP: $54.95Now: $46.71Was: $54.95If you're looking to trim rotational mass without breaking the bank, the SUPERSPROX Edge Rear Sprocket delivers measurable weight savings that improve acceleration and reduce drivetrain strain. At 42 teeth, this sprocket strikes a practical balance for...12102378- SKU:
- 12102378
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- MODEL:
- EDGE
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
- TOOTH COUNT:
- 42
MSRP: $54.95Now: $46.71Was: $54.95Qty in Cart: 0Quantity:Price:MSRP: $54.95Now: $46.71Was: $54.95Subtotal: -
On Sale
SUPERSPROX Edge Rear Sprocket - Black - 42-Tooth RFA179242BLK
SUPERSPROX
MSRP: $49.95Now: $42.46Was: $49.95If you're running a mid-range bike and want meaningful weight reduction without breaking the bank, the SUPERSPROX Edge Rear Sprocket delivers exactly that. At 5%-15% lighter than stock depending on your model, you'll feel the difference in acceleration...12102381- SKU:
- 12102381
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 42
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- STYLE:
- LIGHTWEIGHT
- MODEL:
- EDGE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $49.95Now: $42.46Was: $49.95 -
On Sale
SUPERSPROX Edge Rear Sprocket - Black - 43-Tooth RFA179243BLK
SUPERSPROX
MSRP: $49.95Now: $42.46Was: $49.95If you're running a 43-tooth rear sprocket, choosing the right component matters—weight savings directly translate to quicker acceleration and improved throttle response. The SUPERSPROX Edge delivers a measurable 5–15% weight reduction compared to OEM...12102382- SKU:
- 12102382
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MODEL:
- EDGE
- RIDING STYLE:
- STREET
- TOOTH COUNT:
- 43
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- STYLE:
- LIGHTWEIGHT
MSRP: $49.95Now: $42.46Was: $49.95 -
On Sale
SUPERSPROX Edge Rear Sprocket - Black - 45-Tooth RFA179245BLK
SUPERSPROX
MSRP: $54.95Now: $46.71Was: $54.95Sprocket wear is one of the most overlooked maintenance items that directly impacts chain longevity and power delivery. The SUPERSPROX Edge Rear Sprocket delivers a measurable weight reduction—5% to 15% depending on your bike—without compromising...12102383- SKU:
- 12102383
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- MATERIAL:
- STEEL
- STYLE:
- LIGHTWEIGHT
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MODEL:
- EDGE
- RIDING STYLE:
- STREET
MSRP: $54.95Now: $46.71Was: $54.95 -
On Sale
SUPERSPROX Edge Rear Sprocket - Black - 46-Tooth RFA245346BLK
SUPERSPROX
MSRP: $49.95Now: $42.46Was: $49.95Upgrading to the SUPERSPROX Edge Rear Sprocket puts you in control of your bike's acceleration and top-end performance without the weight penalty of heavier OEM components. At 5-15% lighter than stock, this 46-tooth sprocket delivers responsive power...12102384- SKU:
- 12102384
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- MODEL:
- EDGE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- MATERIAL:
- STEEL
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
MSRP: $49.95Now: $42.46Was: $49.95 -
On Sale
SUPERSPROX Edge Rear Sprocket - Black - 42-Tooth RFA30242BLK
SUPERSPROX
MSRP: $54.95Now: $46.71Was: $54.95If you're running a mid-range bike and want to shed unnecessary rotational mass without breaking the bank, the SUPERSPROX Edge Rear Sprocket delivers real weight savings that translate to quicker acceleration and easier handling. At 5–15% lighter than...12102385- SKU:
- 12102385
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- COLOR/FINISH:
- BLACK
- STYLE:
- LIGHTWEIGHT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 42
- UNITS:
- EACH
- COLOR/FINISH:
- ZINC
- MODEL:
- EDGE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
MSRP: $54.95Now: $46.71Was: $54.95Qty in Cart: 0Quantity:Price:MSRP: $54.95Now: $46.71Was: $54.95Subtotal: -
On Sale
SUPERSPROX Edge Rear Sprocket - Black - 43-Tooth RFA48643BLK
SUPERSPROX
MSRP: $49.95Now: $42.46Was: $49.95A lightweight rear sprocket is one of the most effective upgrades for improving acceleration and reducing unsprung weight on your bike. The SUPERSPROX Edge delivers measurable performance gains through precision engineering and material optimization,...12102393- SKU:
- 12102393
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- BLACK
- STYLE:
- LIGHTWEIGHT
- COLOR/FINISH:
- ZINC
- TOOTH COUNT:
- 43
- MATERIAL:
- STEEL
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MODEL:
- EDGE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
MSRP: $49.95Now: $42.46Was: $49.95
