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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VESRAH Clutch Discs VC-156
VESRAH
$23.50A worn or slipping clutch kills performance and reliability on the track or street. The VESRAH VC-156 Clutch Discs deliver consistent engagement and durability by meeting or exceeding OEM specifications, ensuring your power gets to the ground without...VC156- SKU:
- VC156
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- RIDING STYLE:
- STREET
- FRICTION PLATE MATERIAL:
- CORK
- PRODUCT NAME:
- FRICTION PLATE SET
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH
- UNITS:
- SET OF 3
- RIDING STYLE:
- OFF-ROAD
$23.50Qty in Cart: 0Quantity:Price:$23.50Subtotal: -
MOOSE RACING Clutch Springs MHDS27-5
MOOSE RACING
$16.95OEM clutch springs wear over time, compromising lever feel and limiting your ability to modulate power delivery precisely. The MOOSE RACING Clutch Springs MHDS27-5 restore crisp engagement and deliver stronger, more consistent performance—essential...FHDS275- SKU:
- FHDS275
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- RIDING STYLE:
- OFF-ROAD
- SPRING MATERIAL:
- CHROME SILICON
- TYPE:
- CLUTCH
- UNITS:
- SET
- PRODUCT NAME:
- SPRING SET
$16.95 -
MOOSE RACING Dual Sprocket MSE - Black - 50-Tooth 1210-822-50-10X
MOOSE RACING
$69.95A rear sprocket that actually keeps up with your riding demands requires the right balance of strength and weight—and the MOOSE RACING Dual Sprocket MSE delivers exactly that. By combining a lightweight 7075 T6 aluminum inner ring with a heavy-duty steel...12101512- SKU:
- 12101512
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 50
$69.95 -
MOOSE RACING Dual Sprocket MSE - Silver - 50-Tooth 1210-822-50-11X
MOOSE RACING
$69.95A rear sprocket needs to handle brutal acceleration, mud-slinging conditions, and thousands of shift cycles without compromising weight or durability. The MOOSE RACING Dual Sprocket MSE delivers exactly that—a hybrid design that pairs a lightweight 7075...12101513- SKU:
- 12101513
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 50
- UNITS:
- EACH
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$69.95 -
MOOSE RACING Dual Sprocket MSE - Silver - 48-Tooth 1210-897-48-11X
MOOSE RACING
$69.95A rear sprocket needs to handle extreme torque, mud, and constant wear without sacrificing weight—and the MOOSE RACING Dual Sprocket delivers on all fronts. By combining a lightweight 7075 T6 aluminum inner ring with a heavy-duty steel outer ring, this...12101515- SKU:
- 12101515
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- DUAL
- TOOTH COUNT:
- 48
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$69.95 -
MOOSE RACING Dual Sprocket MSE - Silver - 49-Tooth 1210-897-49-11X
MOOSE RACING
$69.95A rear sprocket must deliver reliable power transfer while resisting the extreme forces of acceleration and constant chain engagement. The MOOSE RACING Dual Sprocket MSE combines a lightweight 7075 T6 aluminum inner ring with a hardened steel outer ring,...12101518- SKU:
- 12101518
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- DUAL
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- UNITS:
- EACH
$69.95 -
MOOSE RACING Dual Sprocket MSE - Orange - 49-Tooth 1210-897-49-14X
MOOSE RACING
$69.95A rear sprocket must handle punishing power transfers without sacrificing lightweight performance—and the MOOSE RACING Dual Sprocket MSE delivers exactly that balance. By combining a 7075 T6 aluminum inner ring with a heavy-duty steel outer ring, this...12101519- SKU:
- 12101519
- Availability:
- Ships Same Business Day
- Weight:
- 1.71 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- DUAL
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
MOOSE RACING Dual Sprocket MSE - Silver - 50-Tooth 1210-897-50-11X
MOOSE RACING
$69.95A rear sprocket needs to handle extreme torque and repeated impact without weighing down your bike or failing mid-race. The MOOSE RACING Dual Sprocket MSE combines lightweight aluminum construction with steel reinforcement to deliver durability that...12101521- SKU:
- 12101521
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- PRODUCT NAME:
- SPROCKET
- STYLE:
- DUAL
- TOOTH COUNT:
- 50
- COLOR/FINISH:
- SILVER
- MATERIAL:
- 7075-T6 ALUMINUM INNER RING
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- HEAVY-DUTY STEEL OUTER RING
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$69.95Qty in Cart: 0Quantity:Price:$69.95Subtotal: -
MOOSE RACING Clutch Springs MHDS93-6
MOOSE RACING
$16.95A worn or weak clutch spring compromises both your lever feel and engagement consistency—critical factors whether you're on the track or tuning at home. MOOSE Racing clutch springs deliver the responsive actuation and durability you need to maintain...FHDS936- SKU:
- FHDS936
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- PRODUCT NAME:
- SPRING SET
- SPRING MATERIAL:
- CHROME SILICON
$16.95 -
MOOSE RACING Friction Plates M70-5105-8
MOOSE RACING
$110.95Clutch fade under sustained racing conditions is the enemy of consistent lap times and reliability. The MOOSE RACING Friction Plates M70-5105-8 deliver fade-free performance through advanced heat-resistant friction material, ensuring predictable power...F705105- SKU:
- F705105
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- PRODUCT NAME:
- FRICTION PLATE SET
- UNITS:
- SET
- TYPE:
- CLUTCH
- RIDING STYLE:
- OFF-ROAD
$110.95 -
MOOSE RACING Clutch Springs MHDS4-4
MOOSE RACING
$16.95A worn or weak clutch spring pack directly impacts your lever feel and engagement consistency—critical factors whether you're on the track or the street. MOOSE RACING's MHDS4-4 springs deliver sharper modulation and more predictable bite than OEM units,...FHDS44- SKU:
- FHDS44
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- SPRING SET
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- RIDING STYLE:
- ATV
- SPRING MATERIAL:
- CHROME SILICON
$16.95 -
MOOSE RACING Clutch Springs MHDS74-4
MOOSE RACING
$16.95A worn or weak clutch spring dramatically impacts your control at the lever and your ability to modulate power delivery—especially critical in racing where milliseconds matter. MOOSE Racing Clutch Springs deliver measurably improved feel and engagement...FHDS744- SKU:
- FHDS744
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- SPRING MATERIAL:
- CHROME SILICON
- PRODUCT NAME:
- SPRING SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH
- UNITS:
- SET
$16.95Qty in Cart: 0Quantity:Price:$16.95Subtotal: -
MOOSE RACING Clutch Springs MHDS7-6
MOOSE RACING
$16.95OEM clutch springs wear out and lose their tension, resulting in mushy lever feel and inconsistent engagement. The MOOSE RACING MHDS7-6 springs restore crisp, responsive clutch control while delivering significantly higher clamping force than factory...FHDS76- SKU:
- FHDS76
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- TYPE:
- CLUTCH
- UNITS:
- SET
- PRODUCT NAME:
- SPRING SET
- SPRING MATERIAL:
- CHROME SILICON
- RIDING STYLE:
- OFF-ROAD
$16.95 -
MOOSE RACING Clutch Springs MHDS77-5
MOOSE RACING
$16.95A worn or weak clutch spring compromises both lever feel and engagement consistency, directly impacting your shift precision and clutch longevity. The MOOSE RACING MHDS77-5 replaces those fatigued springs with precision-wound, heat-treated components...FHDS775- SKU:
- FHDS775
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- OFF-ROAD
- SPRING MATERIAL:
- CHROME SILICON
- UNITS:
- SET
- PRODUCT NAME:
- SPRING SET
- TYPE:
- CLUTCH
$16.95 -
MOOSE RACING Clutch Springs MHDS78-6
MOOSE RACING
$15.95A worn or weak clutch spring compromises both lever feel and power transfer, forcing you to work harder for consistent engagement. MOOSE RACING's precision-wound clutch springs deliver a noticeably lighter, more responsive lever action while maintaining...FHDS786- SKU:
- FHDS786
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- TYPE:
- CLUTCH
- PRODUCT NAME:
- SPRING SET
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- SPRING MATERIAL:
- CHROME SILICON
$15.95Qty in Cart: 0Quantity:Price:$15.95Subtotal: -
MOOSE RACING Clutch Springs MHDS80-5
MOOSE RACING
$16.95A worn or weak clutch spring setup directly impacts your control at the lever and your ability to modulate power delivery consistently—especially critical under racing conditions. MOOSE Racing's MHDS80-5 springs deliver a noticeable improvement in...FHDS805- SKU:
- FHDS805
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- SET
- PRODUCT NAME:
- SPRING SET
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH
- RIDING STYLE:
- OFF-ROAD
- SPRING MATERIAL:
- CHROME SILICON
$16.95 -
MOOSE RACING Rebuild Kit - Slave Cylinder - KTM 18-6038
MOOSE RACING
$70.95A worn or leaking slave cylinder compromises brake feel and modulation—critical for maintaining control during aggressive riding or racing. This MOOSE RACING rebuild kit restores your hydraulic clutch system to OEM specifications, eliminating sponginess...09500918- SKU:
- 09500918
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BASE FINISH:
- RAW
- COLOR/FINISH:
- RAW
- BASE COLOR:
- SILVER
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- SLAVE CYLINDER
$70.95 -
PARTS UNLIMITED 520H - Drive Chain - 130 Links T520H130
PARTS UNLIMITED
$49.95A reliable 520H chain is fundamental to any high-performance drivetrain, and this Parts Unlimited option delivers OEM-quality construction without the premium markup. Whether you're running a sport bike, kart, or custom build, a properly-sized chain...T520H130- SKU:
- T520H130
- Availability:
- Ships Same Business Day
- Weight:
- 4.70 LBS
- CHAIN SIZE:
- 520
- CHAIN TYPE:
- 520 H
- COLOR/FINISH:
- BLACK
- MASTER LINK CONNECTOR:
- CLIP
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- SEAL TYPE:
- NON-SEAL
- TENSILE STRENGTH METRIC:
- 33.1 KN
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 250 CC
- NUMBER OF LINKS:
- 130
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- STEEL
- MAXIMUM ENGINE DISPLACEMENT (STREET):
- 250 CC
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- TENSILE STRENGTH IMPERIAL:
- 7450 LB
$49.95 -
PARTS UNLIMITED 428H - Drive Chain - 130 Links T428H130
PARTS UNLIMITED
$27.95A reliable 428 chain is fundamental to any go-kart, mini bike, or small-displacement powersports application—and this Parts Unlimited option delivers consistent performance without the premium markup. When you need a proven, cost-effective drivetrain...T428H130- SKU:
- T428H130
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- CHAIN SIZE:
- 428
- MAXIMUM ENGINE DISPLACEMENT (STREET):
- 200 CC
- NUMBER OF LINKS:
- 130
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- ATV
- TENSILE STRENGTH METRIC:
- 18 KN
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- SEAL TYPE:
- NON-SEAL
- TENSILE STRENGTH IMPERIAL:
- 4050 LB
- UNITS:
- EACH
- CHAIN TYPE:
- 428 H
- MASTER LINK CONNECTOR:
- CLIP
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 200 CC
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$27.95 -
PARTS UNLIMITED Countershaft Sprocket - 15-Tooth 517-17461-50
PARTS UNLIMITED
$7.09A worn or damaged countershaft sprocket will compromise your power transfer and acceleration response. This OEM-spec replacement restores precise chain engagement and eliminates the slack that degrades performance. Manufactured from hardened steel with...K222660- SKU:
- K222660
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- CHAIN SIZE:
- 420
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- COLOR/FINISH:
- RAW
- TOOTH COUNT:
- 15
$7.09Qty in Cart: 0Quantity:Price:$7.09Subtotal:
