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
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BARNETT Clutch Kit 302-45-10013
BARNETT
$138.22A reliable clutch is the foundation of consistent power delivery and longevity in any high-performance application. The BARNETT Clutch Kit 302-45-10013 delivers the friction control and durability you need for both street and track duty, whether you're...2012407- SKU:
- 2012407
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- RIDING STYLE:
- STREET
- TYPE:
- FRICTION PLATE SET
- FRICTION PLATE MATERIAL:
- DUPONT™ KEVLAR®
- PRODUCT NAME:
- CLUTCH KIT
- DRIVE PLATE MATERIAL:
- STEEL
- MODEL:
- DIRT DIGGER
- UNITS:
- KIT
$138.22 -
BARNETT Clutch Kit 303-35-10003
BARNETT
$132.86A properly functioning clutch is essential for reliable power delivery and longevity in high-performance applications. The BARNETT Clutch Kit 303-35-10003 delivers consistent engagement and disengagement through precision-engineered friction plates,...2012500- SKU:
- 2012500
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- MODEL:
- DIRT DIGGER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- FRICTION PLATE MATERIAL:
- DUPONT™ KEVLAR®
- PRODUCT NAME:
- CLUTCH KIT
$132.86 -
BARNETT Clutch Kit 303-35-10005
BARNETT
$184.53A quality clutch kit is foundational to reliable power transfer and consistent engagement, especially if you're pushing your machine hard or replacing worn components. The BARNETT Clutch Kit 303-35-10005 delivers OEM-grade construction with...2012505- SKU:
- 2012505
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- FRICTION PLATE MATERIAL:
- DUPONT™ KEVLAR®
- MODEL:
- DIRT DIGGER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
$184.53Qty in Cart: 0Quantity:Price:$184.53Subtotal: -
On Sale
Sunstar 12 Tooth 520 Chain Front Sprocket for Honda CRF250R 2004-2009 38315
SUNSTAR SPROCKETS
MSRP: $30.95Now: $22.00Was: $30.95Upgrading to the Sunstar 12-tooth front sprocket directly improves acceleration and throttle response on your CRF250R, giving you the edge in competitive riding or trail performance. Built from case-hardened chromoly steel with Parkerizing treatment,...12120864- SKU:
- 12120864
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- TOOTH COUNT:
- 15
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
- TYPE:
- COUNTERSHAFT
MSRP: $30.95Now: $22.00Was: $30.95Qty in Cart: 0Quantity:Price:MSRP: $30.95Now: $22.00Was: $30.95Subtotal: -
HOT RODS Transmission Bearings Kit TBK0024
HOT RODS
$151.95A transmission rebuild demands precision components that can handle sustained load cycles and maintain tight tolerances. The HOT RODS Transmission Bearings Kit TBK0024 supplies the critical bearing set you need for primary and secondary shaft...11060112- SKU:
- 11060112
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TRANSMISSION
$151.95 -
HOT RODS Transmission Bearings Kit TBK0026
HOT RODS
$151.95A complete transmission bearing overhaul requires precision components engineered to exacting tolerances, and the HOT RODS TBK0026 delivers exactly that. This kit consolidates the essential bearings and components needed for new transmission...11060114- SKU:
- 11060114
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TRANSMISSION
$151.95Qty in Cart: 0Quantity:Price:$151.95Subtotal: -
HOT RODS Transmission Bearings Kit TBK0029
HOT RODS
$159.95A transmission rebuild demands precision at every bearing surface—compromised bearings lead to premature wear, noise, and catastrophic failure. The HOT RODS TBK0029 supplies OEM-quality bearings engineered for the primary and secondary shafts,...11060117- SKU:
- 11060117
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TRANSMISSION
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
HOT RODS Transmission Bearings TBK0032
HOT RODS
$151.95A complete transmission bearing kit is essential when rebuilding or installing a new transmission—worn or improper bearings compromise shift quality, create noise, and accelerate wear on critical components. The HOT RODS TBK0032 supplies the...11060118- SKU:
- 11060118
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
$151.95Qty in Cart: 0Quantity:Price:$151.95Subtotal: -
HOT RODS Transmission Bearings Kit TBK0040
HOT RODS
$107.95A complete transmission bearing overhaul is essential when rebuilding or servicing any transmission, and using OEM-quality components ensures proper shaft alignment, reduced friction, and extended drivetrain longevity. The HOT RODS Transmission Bearings...11060125- SKU:
- 11060125
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- PRODUCT NAME:
- BEARING KIT
- TYPE:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$107.95 -
HOT RODS Transmission Bearings Kit TBK0067
HOT RODS
$151.95A transmission rebuild demands precision bearings that can handle sustained load and rotational stress without compromise. The HOT RODS Transmission Bearings Kit TBK0067 supplies the critical bearing components needed for primary and secondary shaft...11060146- SKU:
- 11060146
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$151.95 -
HOT RODS Transmission Bearings Kit TBK0068
HOT RODS
$159.95A transmission rebuild demands precision components that can handle repeated shifts and sustained power loads without failure. The HOT RODS Transmission Bearings Kit TBK0068 supplies OEM-quality bearings for both primary and secondary shafts, eliminating...11060147- SKU:
- 11060147
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
$159.95 -
HOT RODS Transmission Bearings Kit TBK0002
HOT RODS
$133.95A transmission rebuild demands precision-engineered bearings that can withstand the demands of high-RPM operation and repeated load cycles. The HOT RODS Transmission Bearings Kit TBK0002 supplies the critical bearing components needed for a complete,...11060148- SKU:
- 11060148
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TRANSMISSION
$133.95 -
HOT RODS Transmission Bearings Kit TBK0003
HOT RODS
$122.95A complete transmission bearing refresh is non-negotiable when rebuilding or repairing your transmission case. This kit ensures proper shaft support and reduces friction-induced wear that compromises shift quality and power transfer. Hot Rods' OEM-grade...11060149- SKU:
- 11060149
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- PRODUCT NAME:
- BEARING KIT
- TYPE:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$122.95Qty in Cart: 0Quantity:Price:$122.95Subtotal: -
HOT RODS Transmission Bearings Kit TBK0007
HOT RODS
$123.95A transmission rebuild demands precision components that can withstand sustained load cycles and maintain tight tolerances. The HOT RODS Transmission Bearings Kit TBK0007 delivers OEM-quality bearings for both primary and secondary shafts, eliminating...11060152- SKU:
- 11060152
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TRANSMISSION
$123.95 -
HOT RODS Transmission Bearings Kit TBK0008
HOT RODS
$133.95A complete transmission bearing refresh is non-negotiable when rebuilding or installing a new transmission or engine case. HOT RODS' TBK0008 kit supplies OEM-quality bearings for both primary and secondary shafts, eliminating the tedious sourcing of...11060153- SKU:
- 11060153
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TRANSMISSION
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
$133.95 -
HOT RODS Transmission Bearings Kit TBK0083
HOT RODS
$116.95A transmission rebuild demands precision components that can withstand repeated stress cycles without premature wear. The HOT RODS Transmission Bearings Kit TBK0083 supplies OEM-quality bearings for both primary and secondary shafts, eliminating the...11060162- SKU:
- 11060162
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TRANSMISSION
$116.95 -
HOT RODS Transmission Bearings Kit TBK0090
HOT RODS
$151.95A complete bearing refresh is critical when rebuilding or installing a new transmission—worn bearings introduce play, noise, and premature failure of internal components. The HOT RODS Transmission Bearings Kit TBK0090 supplies all essential bearings and...11060169- SKU:
- 11060169
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
$151.95 -
HOT RODS Transmission Bearings Kit TBK0105
HOT RODS
$151.95A transmission rebuild demands precision components that can withstand repeated load cycles and maintain tight tolerances. The HOT RODS Transmission Bearings Kit TBK0105 delivers OEM-quality bearings for both primary and secondary shafts, eliminating the...11060181- SKU:
- 11060181
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- TRANSMISSION
$151.95 -
HOT RODS Transmission Bearings Kit TBK0117
HOT RODS
$107.95A transmission rebuild demands precision components that won't compromise reliability under load. The HOT RODS Transmission Bearings Kit TBK0117 supplies OEM-quality bearings for primary and secondary shafts, ensuring smooth engagement and extended...11060226- SKU:
- 11060226
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- BEARING KIT
- UNITS:
- KIT
- TYPE:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
$107.95 -
HOT RODS Transmission Bearings Kit TBK0109
HOT RODS
$151.95A transmission rebuild demands precision components that won't compromise reliability under load. The HOT RODS Transmission Bearings Kit TBK0109 delivers OEM-quality bearings for both primary and secondary shafts, eliminating guesswork and potential...11060192- SKU:
- 11060192
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- BEARING KIT
- TYPE:
- TRANSMISSION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$151.95
