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 Basket 321-45-01002
BARNETT
$301.19Baskets are CNC-machined from 2024 T-3 billet aluminum and plates from 6061 T-6 billet aluminum for increased durability and extended clutch life, Baskets utilize stainless steel drive inserts where the clutch plate tabs make contact with the basket;...11310224- SKU:
- 11310224
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MATERIAL:
- 2024 T-3 BILLET ALUMINUM
- RIDING STYLE:
- STREET
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- CLUTCH BASKET
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$301.19 -
BARNETT Clutch Spring Kit 501-24-06047
BARNETT
$31.93Spring sets are heavy duty, Made in the U.S.A.11310229- SKU:
- 11310229
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- SPRING SET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ATV
- SPRING MATERIAL:
- STEEL
- TYPE:
- CLUTCH
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$31.93 -
BARNETT Clutch Kit 303-35-20021
BARNETT
$245.43Made in the U.S.A., Complete Dirt Digger clutch kits also available; include friction plates, steel drive plates and springs11310120- SKU:
- 11310120
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- FRICTION PLATE MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- MODEL:
- DIRT DIGGER
$245.43 -
BARNETT Clutch Springs 501-38-06118
BARNETT
$31.93If you're running a high-performance clutch system, weak or worn spring sets will compromise engagement consistency and throttle response. BARNETT Clutch Springs deliver the robust preload and durability needed to handle aggressive driving, whether...11310121- SKU:
- 11310121
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- PRODUCT NAME:
- SPRING SET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET OF 6
- RIDING STYLE:
- ATV
- SPRING MATERIAL:
- STEEL
- TYPE:
- CLUTCH
$31.93Qty in Cart: 0Quantity:Price:$31.93Subtotal: -
BARNETT Clutch Friction Plate 301-35-10019
BARNETT
$19.72Heavy-duty Series K aramid friction plates and steel drive plates available individually for most models, Made in the U.S.A.11310122- SKU:
- 11310122
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- UNITS:
- EACH
- FRICTION PLATE MATERIAL:
- ARAMID FIBER
- PRODUCT NAME:
- FRICTION PLATE
- RIDING STYLE:
- OFF-ROAD
$19.72 -
ACERBIS Complete Chain Guide Block - Kawasaki - Green 2410970006
ACERBIS
$87.95Two-piece design for easy mounting without chain removal, Constructed of PA6 nylon for high-resistance to chain-wear and shock, Material will not bend in event of collision or contact with roost12310673- SKU:
- 12310673
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- BLOCK
- COLOR/FINISH:
- GREEN
- PRODUCT NAME:
- CHAIN GUIDE
$87.95 -
ACERBIS Complete Chain Guide Block - Suzuki - Black 2410980001
ACERBIS
$87.95Two-piece design for easy mounting without chain removal, Constructed of PA6 nylon for high-resistance to chain-wear and shock, Material will not bend in event of collision or contact with roost12310674- SKU:
- 12310674
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- BLOCK
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CHAIN GUIDE
$87.95 -
ACERBIS Complete Chain Guide Block - Suzuki - Yellow 2410980005
ACERBIS
$87.95Two-piece design for easy mounting without chain removal, Constructed of PA6 nylon for high-resistance to chain-wear and shock, Material will not bend in event of collision or contact with roost12310676- SKU:
- 12310676
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- COLOR/FINISH:
- YELLOW
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BLOCK
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN GUIDE
$87.95Qty in Cart: 0Quantity:Price:$87.95Subtotal: -
ACERBIS Complete Chain Guide Block - Yamaha - Black 2410990001
ACERBIS
$87.95Two-piece design for easy mounting without chain removal, Constructed of PA6 nylon for high-resistance to chain-wear and shock, Material will not bend in event of collision or contact with roost12310677- SKU:
- 12310677
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- TYPE:
- BLOCK
$87.95 -
On Sale
Sunstar 14-Tooth Front Sprocket for 2018-2021 Honda CRF250R 3G414
SUNSTAR SPROCKETS
MSRP: $30.95Now: $22.00Was: $30.95The 14-tooth countershaft sprocket is the foundation of your CRF250R's acceleration characteristics—swap it out and you'll notice an immediate difference in how the bike responds off the line and through the midrange. Sunstar's case-hardened chromoly...12121565- SKU:
- 12121565
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- TOOTH COUNT:
- 14
MSRP: $30.95Now: $22.00Was: $30.95 -
WORKS CONNECTION Elite Axle Block - Red 17-225
WORKS CONNECTION
$76.95Rear wheel alignment directly impacts chain wear, sprocket longevity, and overall drivetrain efficiency. The WORKS CONNECTION Elite Axle Block delivers precision tolerances tighter than OEM specifications, ensuring your rear wheel sits exactly where it...12311015- SKU:
- 12311015
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- AXLE BLOCK
- COLOR/FINISH:
- ANODIZED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$76.95 -
MOOSE RACING 520 HPO - O-Ring Chain - 96 PLT M573-00-96
MOOSE RACING
$94.95A properly maintained chain is non-negotiable for reliable power delivery and rider safety. The MOOSE RACING 520 HPO O-Ring Chain delivers the durability and precision needed for sustained high-RPM performance in mid-displacement applications. With...M5730096- SKU:
- M5730096
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
- CHAIN SIZE:
- 520
- CHAIN TYPE:
- 520 HPO
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- MASTER LINK CONNECTOR:
- CLIP
- MODEL:
- HPO SERIES
- NUMBER OF LINKS:
- 96
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- NATURAL
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 450 CC
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- SEAL TYPE:
- O-RING
- TENSILE STRENGTH IMPERIAL:
- 7496 LB
- TENSILE STRENGTH METRIC:
- 33.3 KN
- UNITS:
- EACH
$94.95Qty in Cart: 0Quantity:Price:$94.95Subtotal: -
BOLT Chain Adjuster Kit 2006-CH
BOLT
$5.99A properly tensioned chain is fundamental to reliable off-road and street performance—loose chains slip and wear prematurely, while over-tightened setups accelerate sprocket wear and strain your drivetrain. The BOLT Chain Adjuster Kit 2006-CH delivers...12310387- SKU:
- 12310387
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CHAIN ADJUSTER
- PRODUCT NAME:
- BOLT
- UNITS:
- KIT
- COLOR/FINISH:
- STAINLESS STEEL
$5.99 -
BOLT Thread Chaser Kit TC-M6M8
BOLT
$4.99Stripped or damaged threads are a common roadblock in metric motorcycle maintenance, and replacing fasteners becomes unnecessarily expensive when the real problem is debris and wear. The BOLT Thread Chaser Kit TC-M6M8 restores damaged aluminum threads to...12310558- SKU:
- 12310558
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- RED
- TYPE:
- DRIVE CHAIN
- UNITS:
- KIT
- COLOR/FINISH:
- ANODIZED
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- THREAD CHASER
$4.99 -
On Sale
ATHENA Transmission Belt S410000350008
ATHENA
MSRP: $21.95Now: $20.00Was: $21.95Performance-matched drive belts are specifically designed to handle the power supplied by Athena's big bore kits for scooters11420034- SKU:
- 11420034
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- DRIVE BELT
- TYPE:
- FLAT-TOP
- COLOR/FINISH:
- BLACK
- STYLE:
- RIBBED
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $21.95Now: $20.00Was: $21.95 -
On Sale
ATHENA Transmission Belt - 15.2 x 8.7 x 640 S410000350003
ATHENA
MSRP: $19.95Now: $18.00Was: $19.95Manufactured to exact length and tolerances as the OE belts, Constructed of the latest materials to meet or exceed OEM quality and performance, Minimize clutch slippage and wear12040068- SKU:
- 12040068
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- BELT
- COG HEIGHT:
- 15.2 MM
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
MSRP: $19.95Now: $18.00Was: $19.95Qty in Cart: 0Quantity:Price:MSRP: $19.95Now: $18.00Was: $19.95Subtotal: -
On Sale
ATHENA Transmission Belt - 16.8 x 8.5 x 837 S410000350009
ATHENA
MSRP: $20.95Now: $19.00Was: $20.95Manufactured to exact length and tolerances as the OE belts, Constructed of the latest materials to meet or exceed OEM quality and performance, Minimize clutch slippage and wear12040070- SKU:
- 12040070
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
- COG HEIGHT:
- 16.8 MM
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
MSRP: $20.95Now: $19.00Was: $20.95 -
On Sale
ATHENA Transmission Belt - 18.5 x 9 x 814 S410000350015
ATHENA
MSRP: $22.95Now: $21.00Was: $22.95Manufactured to exact length and tolerances as the OE belts, Constructed of the latest materials to meet or exceed OEM quality and performance, Minimize clutch slippage and wear12040072- SKU:
- 12040072
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
- COG HEIGHT:
- 18,5 MM
- PRODUCT NAME:
- BELT
- UNITS:
- EACH
MSRP: $22.95Now: $21.00Was: $22.95 -
On Sale
ATHENA Transmission Belt - 20 x 10 x 800 S410000350028
ATHENA
MSRP: $23.95Now: $22.00Was: $23.95Manufactured to exact length and tolerances as the OE belts, Constructed of the latest materials to meet or exceed OEM quality and performance, Minimize clutch slippage and wear12040075- SKU:
- 12040075
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COG HEIGHT:
- 20 MM
- TYPE:
- TRANSMISSION
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BELT
MSRP: $23.95Now: $22.00Was: $23.95 -
On Sale
ATHENA Transmission Belt - 17.7 x 8.5 x 729 S410000350033
ATHENA
MSRP: $21.95Now: $20.00Was: $21.95Manufactured to exact length and tolerances as the OE belts, Constructed of the latest materials to meet or exceed OEM quality and performance, Minimize clutch slippage and wear12040076- SKU:
- 12040076
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- COG HEIGHT:
- 17,7 MM
- UNITS:
- EACH
- PRODUCT NAME:
- BELT
- RIDING STYLE:
- STREET
- TYPE:
- TRANSMISSION
MSRP: $21.95Now: $20.00Was: $21.95
