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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On Sale
BARNETT Clutch Kit 303-48-10001
BARNETT
MSRP: $165.79Now: $140.77Was: $165.79A quality clutch kit is foundational to reliable power transfer in high-demand riding conditions. The BARNETT Clutch Kit 303-48-10001 delivers consistent engagement and heat dissipation with a complete assembly of friction plates, steel drive plates, and...11310805- SKU:
- 11310805
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- FRICTION PLATE MATERIAL:
- DUPONT™ KEVLAR®
- DRIVE PLATE MATERIAL:
- STEEL
- UNITS:
- KIT
- MODEL:
- DIRT DIGGER
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
MSRP: $165.79Now: $140.77Was: $165.79 -
On Sale
BARNETT Clutch Kit 303-48-10003
BARNETT
MSRP: $295.38Now: $250.79Was: $295.38A worn or slipping clutch robs your bike of power transfer and leaves you stranded on the track or trail. The BARNETT Clutch Kit 303-48-10003 delivers consistent engagement and precise modulation, giving you the confident grab you need when the throttle...11310806- SKU:
- 11310806
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- FRICTION PLATE MATERIAL:
- DUPONT™ KEVLAR®
- MODEL:
- DIRT DIGGER
MSRP: $295.38Now: $250.79Was: $295.38 -
On Sale
BARNETT Clutch Kit 303-48-10005
BARNETT
MSRP: $227.27Now: $192.97Was: $227.27A worn or slipping clutch directly compromises your power delivery and track performance—this BARNETT clutch kit restores full engagement and holds your horsepower without fade. Whether you're pushing lap times or building reliability into a high-rpm...11310807- SKU:
- 11310807
- Availability:
- Ships Same Business Day
- Weight:
- 2.04 LBS
- FRICTION PLATE MATERIAL:
- DUPONT™ KEVLAR®
- DRIVE PLATE MATERIAL:
- STEEL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- MODEL:
- DIRT DIGGER
MSRP: $227.27Now: $192.97Was: $227.27 -
On Sale
BARNETT Clutch Kit 303-48-10006
BARNETT
MSRP: $227.27Now: $192.97Was: $227.27A properly functioning clutch is non-negotiable for consistent power delivery and longevity in high-demand applications. The BARNETT Clutch Kit 303-48-10006 delivers OEM-quality engagement with domestic manufacturing precision, ensuring reliable shifts...11310808- SKU:
- 11310808
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- MODEL:
- DIRT DIGGER
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- COMPLETE
- FRICTION PLATE MATERIAL:
- DUPONT™ KEVLAR®
- DRIVE PLATE MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
MSRP: $227.27Now: $192.97Was: $227.27 -
On Sale
BARNETT Clutch Kit 303-48-10007
BARNETT
MSRP: $217.98Now: $185.08Was: $217.98A quality clutch kit is the foundation of reliable power transfer in any high-performance build. The BARNETT Clutch Kit 303-48-10007 delivers consistent engagement and durability through precision-engineered friction plates, hardened steel drive plates,...11310809- SKU:
- 11310809
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- FRICTION PLATE MATERIAL:
- DUPONT™ KEVLAR®
- DRIVE PLATE MATERIAL:
- STEEL
- UNITS:
- KIT
- MODEL:
- DIRT DIGGER
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
MSRP: $217.98Now: $185.08Was: $217.98 -
On Sale
BARNETT Clutch Spring Kit 501-38-04132
BARNETT
MSRP: $21.90Now: $18.59Was: $21.90A worn or inconsistent clutch engagement directly impacts your launch consistency, power delivery, and overall drivability. The BARNETT Clutch Spring Kit 501-38-04132 restores proper spring pressure and feel, ensuring reliable clutch modulation whether...11311166- SKU:
- 11311166
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- SPRING MATERIAL:
- STEEL
- TYPE:
- CLUTCH
- PRODUCT NAME:
- SPRING SET
- UNITS:
- SET OF 4
- RIDING STYLE:
- OFF-ROAD
MSRP: $21.90Now: $18.59Was: $21.90 -
On Sale
BARNETT Clutch Kit 303-48-20010
BARNETT
MSRP: $230.82Now: $195.98Was: $230.82A reliable clutch is the foundation of consistent power delivery, whether you're on the track or the trail. The BARNETT Clutch Kit 303-48-20010 delivers the friction and holding power you need for aggressive riding without compromise. Built to handle...11311170- SKU:
- 11311170
- Availability:
- Ships Same Business Day
- Weight:
- 1.57 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- UNITS:
- KIT
- FRICTION PLATE MATERIAL:
- CARBON FIBER
- MODEL:
- DIRT DIGGER
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
MSRP: $230.82Now: $195.98Was: $230.82Qty in Cart: 0Quantity:Price:MSRP: $230.82Now: $195.98Was: $230.82Subtotal: -
On Sale
BARNETT Clutch Kit 303-70-20043
BARNETT
MSRP: $263.88Now: $237.49Was: $263.88A properly functioning clutch is non-negotiable for reliable power delivery and longevity in high-performance applications. The BARNETT Clutch Kit 303-70-20043 delivers the precision engagement and durability demanded by racers and serious enthusiasts...TM43DCF- SKU:
- TM43DCF
- Availability:
- Ships Same Business Day
- Weight:
- 1.98 LBS
- RIDING STYLE:
- ATV
- DRIVE PLATE MATERIAL:
- STEEL
- FRICTION PLATE MATERIAL:
- CARBON FIBER
- MODEL:
- DIRT DIGGER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- COMPLETE
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
MSRP: $263.88Now: $237.49Was: $263.88Qty in Cart: 0Quantity:Price:MSRP: $263.88Now: $237.49Was: $263.88Subtotal: -
On Sale
BARNETT Drive Plate 401-45-063013
BARNETT
MSRP: $8.79Now: $7.91Was: $8.79A quality drive plate is critical to reliable power transmission in high-performance applications. The BARNETT 401-45-063013 delivers precision engineering and durability when you need consistent engagement under demanding conditions. Built to exacting...KP1316- SKU:
- KP1316
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- CLUTCH
- DRIVE PLATE MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- DRIVE PLATE (STEEL PLATE)
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $8.79Now: $7.91Was: $8.79 -
REGINA Chain and Sprocket Kit - YFZ 450/YFM 600 5QUAD/098KYA018
REGINA
$243.95A worn or mismatched chain and sprocket setup kills both performance and longevity. This REGINA kit delivers OEM-spec gearing with a high-performance 520 Quad Z-ring chain engineered to handle sustained power delivery without compromise. Bolt this on and...12300229- SKU:
- 12300229
- Availability:
- Ships Same Business Day
- Weight:
- 6.15 LBS
- PRODUCT NAME:
- CHAIN AND SPROCKET KIT
- NUMBER OF LINKS:
- 98
- UNITS:
- KIT
- FRONT SPROCKET TOOTH COUNT:
- 14
- RIDING STYLE:
- ATV
- REAR SPROCKET TOOTH COUNT:
- 38
$243.95 -
REGINA 520 RX3 Series - Rivet Connecting Link 19/135RX3
REGINA
$5.95A worn or damaged chain connecting link compromises power delivery and creates safety risks at high RPM. The REGINA 520 RX3 Series Rivet Connecting Link restores full chain integrity with OEM-quality construction, ensuring consistent engagement and...12250210- SKU:
- 12250210
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- CONNECTING LINK
- UNITS:
- EACH
- COLOR/FINISH:
- GOLD
- NUMBER OF LINKS:
- 1
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RIVET
- CHAIN TYPE:
- 520 RX3
- MODEL:
- RX SERIES
$5.95 -
REGINA 415 RH2 Series - Clip 26/90RH2
REGINA
$5.95A worn or damaged connecting link compromises your chain's integrity, risking power loss and catastrophic drivetrain failure during competition or high-demand riding. The REGINA 415 RH2 Series Clip Link delivers the precision fit and durability you need...12250218- SKU:
- 12250218
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- CHAIN TYPE:
- 415 RH2
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- TYPE:
- CLIP
- PRODUCT NAME:
- CONNECTING LINK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- COLOR/FINISH:
- GOLD
- NUMBER OF LINKS:
- 1
$5.95 -
RK 520 MXU - Sealed UW-Ring - Clip Connecting Link GB520MXU-CL
RK
$13.82A worn or damaged chain connecting link compromises power delivery and risks catastrophic drivetrain failure. The RK 520 MXU Sealed UW-Ring Clip Connecting Link restores the integrity of your 520-pitch chain with a sealed design that keeps contaminants...12250144- SKU:
- 12250144
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- NUMBER OF LINKS:
- 1
- TYPE:
- CLIP
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- CONNECTING LINK
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- CHAIN TYPE:
- 520 MXU
- RIDING STYLE:
- UTV
$13.82 -
RK 520 MXU - Sealed Racing UW-Ring Chain - 110 Links GB520MXU-110
RK
$195.32In racing, chain failure isn't just a mechanical problem—it's a DNF. The RK 520 MXU delivers the weight savings competitive racers demand without compromising the tensile strength required for consistent power delivery across 125-500cc applications...12220190- SKU:
- 12220190
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- MODEL:
- MXU SERIES
- TENSILE STRENGTH METRIC:
- 35.6 KN
- PRODUCT NAME:
- DRIVE CHAIN
- WEIGHT:
- 1,38 KG/100 LINKS
- CHAIN TYPE:
- 520 MXU
- COLOR/FINISH:
- GOLD
- MASTER LINK CONNECTOR:
- CLIP
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- SEAL TYPE:
- UW-RING
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 500 CC
- NUMBER OF LINKS:
- 110
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TENSILE STRENGTH IMPERIAL:
- 8000 LB
$195.32 -
RK 520 MXU - Sealed Racing UW-Ring Chain - 114 Links GB520MXU-114
RK
$202.41In competitive racing, every tenth of a second counts—and unnecessary weight steals both acceleration and handling precision. The RK 520 MXU delivers race-proven chain reliability without the penalty of heavy construction, giving you the lightweight...12220192- SKU:
- 12220192
- Availability:
- Ships Same Business Day
- Weight:
- 3.61 LBS
- CHAIN SIZE:
- 520
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 500 CC
- MODEL:
- MXU SERIES
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TENSILE STRENGTH METRIC:
- 35.6 KN
- UNITS:
- EACH
- WEIGHT:
- 1,38 KG/100 LINKS
- CHAIN TYPE:
- 520 MXU
- COLOR/FINISH:
- GOLD
- MASTER LINK CONNECTOR:
- CLIP
- MATERIAL:
- STEEL
- NUMBER OF LINKS:
- 114
- RIDING STYLE:
- OFF-ROAD
- SEAL TYPE:
- UW-RING
- TENSILE STRENGTH IMPERIAL:
- 8000 LB
$202.41 -
RK 520 MXU - Sealed Racing UW-Ring Chain - 116 Links GB520MXU-116
RK
$205.96If you're serious about maximizing power delivery and minimizing drivetrain losses, you need a chain that can handle the demands of racing without adding unnecessary weight. The RK 520 MXU delivers sealed-ring reliability with a featherweight...12220193- SKU:
- 12220193
- Availability:
- Ships Same Business Day
- Weight:
- 3.69 LBS
- CHAIN SIZE:
- 520
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 500 CC
- MODEL:
- MXU SERIES
- NUMBER OF LINKS:
- 116
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TENSILE STRENGTH METRIC:
- 35.6 KN
- COLOR/FINISH:
- GOLD
- MASTER LINK CONNECTOR:
- CLIP
- RIDING STYLE:
- OFF-ROAD
- CHAIN TYPE:
- 520 MXU
- MATERIAL:
- STEEL
- SEAL TYPE:
- UW-RING
- TENSILE STRENGTH IMPERIAL:
- 8000 LB
- UNITS:
- EACH
- WEIGHT:
- 1,38 KG/100 LINKS
$205.96 -
RK 520 MXU - Sealed Racing UW-Ring Chain - 120 Links GB520MXU-120
RK
$213.07Racing performance hinges on reliable power transfer from engine to wheels—any slack in your drivetrain costs you lap time and consistency. The RK 520 MXU delivers sealed-ring construction that eliminates contamination while maintaining the lightest...12220194- SKU:
- 12220194
- Availability:
- Ships Same Business Day
- Weight:
- 3.81 LBS
- CHAIN TYPE:
- 520 MXU
- MATERIAL:
- STEEL
- TENSILE STRENGTH IMPERIAL:
- 8000 LB
- COLOR/FINISH:
- GOLD
- MASTER LINK CONNECTOR:
- CLIP
- MODEL:
- MXU SERIES
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 500 CC
- NUMBER OF LINKS:
- 120
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SEAL TYPE:
- UW-RING
- TENSILE STRENGTH METRIC:
- 35.6 KN
- UNITS:
- EACH
- WEIGHT:
- 1,38 KG/100 LINKS
$213.07 -
T.M. DESIGNWORKS Chain Guide - Kawasaki - Black RCG-KX2-BK
T.M. DESIGNWORKS
$102.95A chain guide that actually returns to center after a hard hit—not one that stays bent out of shape. The T.M. DESIGNWORKS RCG-KX2-BK uses a proprietary RMS (Return Memory System) plastic formula to absorb impact and snap back into position, keeping your...12311174- SKU:
- 12311174
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
$102.95 -
T.M. DESIGNWORKS Chain Guide - Kawasaki - Green RCG-KX2-GR
T.M. DESIGNWORKS
$102.95A chain guide that actually stays centered during aggressive riding demands a material engineered for impact recovery—not just wear resistance. T.M. Designworks' proprietary RMS plastic formula returns to center automatically after chain slap, reducing...12311175- SKU:
- 12311175
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- GREEN
$102.95 -
MOOSE RACING Bling Packs - KTM - Orange M57-5018O
MOOSE RACING
$102.95MOOSE Racing Bling Packs deliver precision-engineered aesthetic and functional upgrades specifically designed for KTM platforms. Each component is CNC machined to OEM tolerances, ensuring a seamless fit without modification or fitment issues. Whether...12310924- SKU:
- 12310924
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- ANODIZED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PACK
- COLOR/FINISH:
- ORANGE
- PRODUCT NAME:
- BLING PACK
$102.95
