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!
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- Quantity
- Price
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On Sale
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD82947GLD
SUPERSPROX
MSRP: $10.95Now: $7.00Was: $10.95Upgrade over traditional stamped steel sprockets with modern styling12102369- SKU:
- 12102369
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
MSRP: $10.95Now: $7.00Was: $10.95 -
On Sale
SUPERSPROX Edge Rear Sprocket Insert - Gold RACD86545GLD
SUPERSPROX
MSRP: $10.95Now: $7.00Was: $10.95Upgrade over traditional stamped steel sprockets with modern styling12102372- SKU:
- 12102372
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- INSERT
- TYPE:
- EDGE REAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
MSRP: $10.95Now: $7.00Was: $10.95 -
SUPERSPROX Edge Rear Sprocket - Black - 45-Tooth RFA130445BLK
SUPERSPROX
$59.95Reduces 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 width12102377- SKU:
- 12102377
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- UNITS:
- EACH
- MODEL:
- EDGE
$59.95 -
SUPERSPROX Edge Rear Sprocket - Black - 46-Tooth RFA130746BLK
SUPERSPROX
$59.95Reduces 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 width12102380- SKU:
- 12102380
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- MODEL:
- EDGE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 46
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- STYLE:
- LIGHTWEIGHT
$59.95 -
SUPERSPROX Edge Rear Sprocket - Black - 43-Tooth RFA30243BLK
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 width12102386- SKU:
- 12102386
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- COLOR/FINISH:
- ZINC
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
- UNITS:
- EACH
- MODEL:
- EDGE
- TOOTH COUNT:
- 43
- COLOR/FINISH:
- BLACK
$54.95 -
SUPERSPROX Edge Rear Sprocket - Black - 45-Tooth RFA80745BLK
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 width12102394- SKU:
- 12102394
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MODEL:
- EDGE
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- ZINC
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LIGHTWEIGHT
$54.95 -
SUPERSPROX Countershaft Sprocket - 12-Tooth CST-1590-12-1
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...12121342- SKU:
- 12121342
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 12
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- MATERIAL:
- STEEL
- UNITS:
- EACH
$24.95 -
SUPERSPROX Countershaft Sprocket - 14-Tooth CST-1590-14-1
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...12121344- SKU:
- 12121344
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 14
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
$24.95 -
SUPERSPROX Countershaft Sprocket - 12-Tooth CST-284-12-1
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...12121355- SKU:
- 12121355
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TOOTH COUNT:
- 12
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
$24.95 -
SUPERSPROX Countershaft Sprocket - 14-Tooth CST-284-14-1
SUPERSPROX
$29.95Made 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...12121357- SKU:
- 12121357
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- TOOTH COUNT:
- 14
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- UNITS:
- EACH
- CHAIN SIZE:
- 520
$29.95 -
SUPERSPROX Countershaft Sprocket - 15-Tooth CST-284-15-1
SUPERSPROX
$29.95Made 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...12121358- SKU:
- 12121358
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- TOOTH COUNT:
- 15
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
$29.95 -
SUPERSPROX Countershaft Sprocket - 15-Tooth CST-1309-15-1
SUPERSPROX
$29.95Made 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...12121360- SKU:
- 12121360
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- CHAIN SIZE:
- 520
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- TOOTH COUNT:
- 15
$29.95 -
SUPERSPROX Countershaft Sprocket - 16-Tooth CST-546-16-1
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...12121387- SKU:
- 12121387
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- CHAIN SIZE:
- 420
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 16
- TYPE:
- COUNTERSHAFT
- MATERIAL:
- STEEL
- UNITS:
- EACH
$24.95 -
SUPERSPROX Countershaft Sprocket - 13-Tooth CST-1442-13-1
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...12121423- SKU:
- 12121423
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- CHAIN SIZE:
- 520
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 13
- UNITS:
- EACH
$24.95 -
SUPERSPROX Countershaft Sprocket - 15-Tooth CST-1902-15-1
SUPERSPROX
$29.95Made 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...12121424- SKU:
- 12121424
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- CHAIN SIZE:
- 520
- TOOTH COUNT:
- 15
$29.95 -
SUPERSPROX Countershaft Sprocket - 13-Tooth CST-1565-13-1
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...12121335- SKU:
- 12121335
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- STEEL
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- TOOTH COUNT:
- 13
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
$24.95 -
SUPERSPROX Countershaft Sprocket - 14-Tooth CST-1565-14-1
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...12121336- SKU:
- 12121336
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 14
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
$24.95 -
SUPERSPROX Countershaft Sprocket - 13-Tooth CST-824-13-1
SUPERSPROX
$29.95Made 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...12121404- SKU:
- 12121404
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- TOOTH COUNT:
- 13
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
$29.95 -
SUPERSPROX Countershaft Sprocket - 14-Tooth CST-827-14-1
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...12121407- SKU:
- 12121407
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- UNITS:
- EACH
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 14
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- TYPE:
- COUNTERSHAFT
$34.95 -
SUPERSPROX Steel Rear Sprocket - 40-Tooth RFE-853-40-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...12101932- SKU:
- 12101932
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- SPROCKET
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 40
- TYPE:
- REAR
- UNITS:
- EACH
$44.95
