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.S43027
PROX
$109.95Manufactured by leading OEM factories, Made to exact OEM specifications for maximum performance and durability, Complete set per application for easy replacement, Can be used with all other ProX or OEM clutch components11311453- 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
$49.95Manufactured with OEM-specified aluminum, Precision cast and machined, Same as OEM replacement; fit both stock and aftermarket primary clutch baskets11320506- 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
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
SUPERSPROX Steel Rear Sprocket - 52-Tooth RFE-210-52-BLK
SUPERSPROX
$64.95Developed on the race track to give longer system life and high performance for street and off-road applications, Using CAD designed and CNC-Laser cutting to ensure an exact fit on the wheel, Made to Supersprox high quality standards and include our...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
$64.95Qty in Cart: 0Quantity:Price:$64.95Subtotal: -
SUPERSPROX Steel Rear Sprocket - 51-Tooth RFE-457-51-BLK
SUPERSPROX
$44.95Developed on the race track to give longer system life and high performance for street and off-road applications, Using CAD designed and CNC-Laser cutting to ensure an exact fit on the wheel, Made to Supersprox high quality standards and include our...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
$44.95Qty in Cart: 0Quantity:Price:$44.95Subtotal: -
SUPERSPROX Edge Rear Sprocket Insert - Orange RACD90544ORG
SUPERSPROX
$10.95Upgrade over traditional stamped steel sprockets with modern styling12102374- 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
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 42-Tooth RFA130442BLK
SUPERSPROX
$49.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102375- 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
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 48-Tooth RFA130443BLK
SUPERSPROX
$49.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102376- 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
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 42-Tooth RFA130642BLK
SUPERSPROX
$54.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102378- 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
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 42-Tooth RFA179242BLK
SUPERSPROX
$49.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102381- 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
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 43-Tooth RFA179243BLK
SUPERSPROX
$49.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102382- 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
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 45-Tooth RFA179245BLK
SUPERSPROX
$54.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102383- 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
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 46-Tooth RFA245346BLK
SUPERSPROX
$49.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102384- 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
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 42-Tooth RFA30242BLK
SUPERSPROX
$54.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102385- 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
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 43-Tooth RFA48643BLK
SUPERSPROX
$49.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102393- 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
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 47-Tooth RFA82947BLK
SUPERSPROX
$54.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102396- SKU:
- 12102396
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 47
- MODEL:
- EDGE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 38-Tooth RFA846238BLK
SUPERSPROX
$49.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102397- SKU:
- 12102397
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- UNITS:
- EACH
- MODEL:
- EDGE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- STYLE:
- LIGHTWEIGHT
- TOOTH COUNT:
- 38
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
SUPERSPROX Edge Rear Sprocket - Black - 44-Tooth RFA90544BLK
SUPERSPROX
$64.95Reduces weight by 5%-15% depending on the model, Cost effective option for mid-range bikes, Must order Edge Disc with Edge Steel Sprocket for OEM sprocket width12102399- SKU:
- 12102399
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MODEL:
- EDGE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 44
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
$64.95Qty in Cart: 0Quantity:Price:$64.95Subtotal: -
SUPERSPROX Countershaft Sprocket - 13-Tooth CST-1590-13-1
SUPERSPROX
$24.95Made from SCM-435 carbon-free steel and impregnated to guarantee zero breaking risk and extended sprocket life, Ultra-hard surface layer (.5mm) reduces friction to prevent power loss caused by chain drag, Fully lightened with radial holes for off-road...12121343- SKU:
- 12121343
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 13
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
SUPERSPROX Countershaft Sprocket - 17-Tooth CST-1902-17-1
SUPERSPROX
$34.95Made from SCM-435 carbon-free steel and impregnated to guarantee zero breaking risk and extended sprocket life, Ultra-hard surface layer (.5mm) reduces friction to prevent power loss caused by chain drag, Fully lightened with radial holes for off-road...12121350- SKU:
- 12121350
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 17
- TYPE:
- COUNTERSHAFT
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
SUPERSPROX Countershaft Sprocket - 13-Tooth CST-250-13-1
SUPERSPROX
$24.95Made from SCM-435 carbon-free steel and impregnated to guarantee zero breaking risk and extended sprocket life, Ultra-hard surface layer (.5mm) reduces friction to prevent power loss caused by chain drag, Fully lightened with radial holes for off-road...12121352- SKU:
- 12121352
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 13
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal:
