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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MOOSE RACING Bling Packs - Husqvarna - Blue M57-5010L
MOOSE RACING
$121.95MOOSE Racing Bling Packs deliver OEM-quality aesthetics with precision-engineered fitment for your Husqvarna dirt bike. These CNC-machined components replace worn or damaged plastic trim while maintaining factory appearance standards. Get the replacement...12310927- SKU:
- 12310927
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- ANODIZED
- PRODUCT NAME:
- BLING PACK
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLUE
- UNITS:
- PACK
$121.95Qty in Cart: 0Quantity:Price:$121.95Subtotal: -
DP BRAKES Clutch Kit DPK177
DP BRAKES
$286.95Designed to outperform any OEM or aftermarket clutch, DPK kits include friction plates, steel drive plates and clutch springs, except when OEM clutch includes reusable diaphragm spring, DPK clutch kits come in a foam-lined hard plastic case that protects...11310142- SKU:
- 11310142
- Availability:
- Ships Same Business Day
- Weight:
- 2.18 LBS
- UNITS:
- SET
- DRIVE PLATE MATERIAL:
- STEEL
- MODEL:
- DPK SERIES
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- SPRING MATERIAL:
- CHROME SILICON
- TYPE:
- COMPLETE
$286.95Qty in Cart: 0Quantity:Price:$286.95Subtotal: -
DP BRAKES Clutch Kit DPK179
DP BRAKES
$259.95Designed to outperform any OEM or aftermarket clutch, DPK kits include friction plates, steel drive plates and clutch springs, except when OEM clutch includes reusable diaphragm spring, DPK clutch kits come in a foam-lined hard plastic case that protects...11310144- SKU:
- 11310144
- Availability:
- Ships Same Business Day
- Weight:
- 2.21 LBS
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- COMPLETE
- DRIVE PLATE MATERIAL:
- STEEL
- MODEL:
- DPK SERIES
- RIDING STYLE:
- OFF-ROAD
- SPRING MATERIAL:
- CHROME SILICON
- UNITS:
- SET
$259.95Qty in Cart: 0Quantity:Price:$259.95Subtotal: -
DP BRAKES Clutch Kit DPK180
DP BRAKES
$218.95Designed to outperform any OEM or aftermarket clutch, DPK kits include friction plates, steel drive plates and clutch springs, except when OEM clutch includes reusable diaphragm spring, DPK clutch kits come in a foam-lined hard plastic case that protects...11310145- SKU:
- 11310145
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- UNITS:
- SET
- DRIVE PLATE MATERIAL:
- STEEL
- MODEL:
- DPK SERIES
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- SPRING MATERIAL:
- CHROME SILICON
- TYPE:
- COMPLETE
$218.95 -
DP BRAKES Clutch Kit DPK184
DP BRAKES
$253.95Designed to outperform any OEM or aftermarket clutch, DPK kits include friction plates, steel drive plates and clutch springs, except when OEM clutch includes reusable diaphragm spring, DPK clutch kits come in a foam-lined hard plastic case that protects...11310146- SKU:
- 11310146
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- MODEL:
- DPK SERIES
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- SPRING MATERIAL:
- CHROME SILICON
- TYPE:
- COMPLETE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- SET
$253.95Qty in Cart: 0Quantity:Price:$253.95Subtotal: -
DP BRAKES Clutch Kit DPK137
DP BRAKES
$253.95Designed to outperform any OEM or aftermarket clutch, DPK kits include friction plates, steel drive plates and clutch springs, except when OEM clutch includes reusable diaphragm spring, DPK clutch kits come in a foam-lined hard plastic case that protects...DPK137- SKU:
- DPK137
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- SPRING MATERIAL:
- CHROME SILICON
- TYPE:
- COMPLETE
- UNITS:
- SET
- MODEL:
- DPK SERIES
- PRODUCT NAME:
- CLUTCH KIT
$253.95Qty in Cart: 0Quantity:Price:$253.95Subtotal: -
On Sale
BARNETT Clutch Springs 501-40-05027
BARNETT
MSRP: $26.29Now: $23.66Was: $26.29Spring sets are heavy duty, Made in the U.S.A.2012339- SKU:
- 2012339
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $26.29Now: $23.66Was: $26.29Qty in Cart: 0Quantity:Price:MSRP: $26.29Now: $23.66Was: $26.29Subtotal: -
On Sale
BARNETT Clutch Basket 321-48-01005
BARNETT
MSRP: $311.79Now: $280.61Was: $311.79Baskets 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;...11320431- SKU:
- 11320431
- Availability:
- Ships Same Business Day
- Weight:
- 1.49 LBS
- MATERIAL:
- 2024 T-3 BILLET ALUMINUM
- RIDING STYLE:
- STREET
- MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- CLUTCH BASKET
- RIDING STYLE:
- OFF-ROAD
MSRP: $311.79Now: $280.61Was: $311.79Qty in Cart: 0Quantity:Price:MSRP: $311.79Now: $280.61Was: $311.79Subtotal: -
On Sale
BARNETT Clutch Spring Set 501-58-06037
BARNETT
MSRP: $31.93Now: $28.74Was: $31.93Spring sets are heavy duty, Made in the U.S.A.11310645- SKU:
- 11310645
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SPRING SET
- SPRING MATERIAL:
- STEEL
- TYPE:
- CLUTCH
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET OF 6
MSRP: $31.93Now: $28.74Was: $31.93 -
ACERBIS Chain Guide - Kawasaki KX250F/450F - Black 2081490001
ACERBIS
$32.95A worn or damaged chain guide accelerates sprocket wear and increases the risk of chain derailment—both costly failures that sideline your bike. The ACERBIS Chain Guide is a direct OEM-equivalent replacement that restores proper chain alignment and...12310097- SKU:
- 12310097
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN GUIDE
$32.95 -
ACERBIS Chain Slider - Yamaha YZ125/250 YZ250F/450F - Black 2081550001
ACERBIS
$32.95Chain slap against your swingarm isn't just annoying—it accelerates wear on both components and costs you reliability when you need it most. The ACERBIS Chain Slider is a direct replacement that eliminates this contact, protecting your swingarm from...12310104- SKU:
- 12310104
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- CHAIN SLIDER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$32.95 -
Sunstar Rear Sprocket 47T for KTM 85 SX 2003-2024 2-248147
SUNSTAR SPROCKETS
$46.95The rear sprocket is the final drive component that directly controls your KTM 85 SX's acceleration, top-end speed, and engine load characteristics. A worn or mismatched sprocket forces your engine to work harder, reducing efficiency and throttle...12100619- SKU:
- 12100619
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- COLOR/FINISH:
- NATURAL
- MATERIAL:
- CARBON STEEL
- MOUNTING POSITION:
- REAR
- TOOTH COUNT:
- 47
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- UNITS:
- EACH
- CHAIN SIZE:
- 428
- PRODUCT NAME:
- SPROCKET
$46.95Qty in Cart: 0Quantity:Price:$46.95Subtotal: -
Sunstar Rear Sprocket 51T Black KTM 2017-2019 5-354751BK
SUNSTAR SPROCKETS
$88.95A rear sprocket is fundamental to your drivetrain's efficiency—it directly impacts acceleration, top-end speed, and chain longevity. The Sunstar 51T delivers measurable gains through precision engineering and material science, not marketing promises. If...12111108- SKU:
- 12111108
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- WORKS/BLACK
- UNITS:
- EACH
$88.95Qty in Cart: 0Quantity:Price:$88.95Subtotal: -
Sunstar Rear Sprocket 51T Black Honda XR600R 1985-1987 5-359251BK
SUNSTAR SPROCKETS
$88.95If you're running a Honda XR600R and want reliable power delivery to the rear wheel, sprocket selection directly impacts your bike's acceleration, top-end speed, and chain longevity. The Sunstar 51T delivers a precision-engineered balance of lightweight...12111124- SKU:
- 12111124
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- CHAIN SIZE:
- 520
- TYPE:
- DRIVE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- WORKS/BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 51
$88.95Qty in Cart: 0Quantity:Price:$88.95Subtotal: -
Sunstar Rear Sprocket 49T Black Kawasaki KX250F 2004-2018 5-361949BK
SUNSTAR SPROCKETS
$78.95A worn or mismatched rear sprocket directly impacts acceleration, top-end performance, and chain longevity. The Sunstar 49T delivers precise gear ratios engineered specifically for your KX250F while reducing unsprung weight through aerospace-grade...12111127- SKU:
- 12111127
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- WORKS/BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 49
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$78.95Qty in Cart: 0Quantity:Price:$78.95Subtotal: -
Sunstar 13 Tooth Countershaft Sprocket for 1985-2003 Honda XR100R 1979-1985 Honda XL100S 20213
SUNSTAR SPROCKETS
$21.95A worn or damaged countershaft sprocket compromises your XR100R or XL100S's power delivery and acceleration—replacing it with a precision-engineered SUNSTAR sprocket restores optimal chain engagement and drivetrain efficiency. Built from case-hardened...12120811- SKU:
- 12120811
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- NATURAL
- COLOR/FINISH:
- PARKERIZED
- TOOTH COUNT:
- 13
- UNITS:
- EACH
- CHAIN SIZE:
- 428
- MATERIAL:
- CHROMOLY STEEL
- TYPE:
- COUNTERSHAFT
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- OFF-ROAD
$21.95Qty in Cart: 0Quantity:Price:$21.95Subtotal: -
On Sale
DID 520 ERT3 - Chain - 120 Links 520ERT3-120
DID
MSRP: $181.50Now: $154.28Was: $181.50The DID 520 ERT3 chain is engineered for motocross racers who demand lightweight performance without sacrificing durability under extreme conditions. Built with low-friction design and optimized link geometry, this chain reduces parasitic power loss...12210275- SKU:
- 12210275
- Availability:
- Ships Same Business Day
- Weight:
- 3.85 LBS
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 450 CC
- SEAL TYPE:
- NON-SEAL
- TENSILE STRENGTH METRIC:
- 36.9 KN
- COLOR/FINISH:
- GOLD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- CHAIN SIZE:
- 520
- MAXIMUM ENGINE DISPLACEMENT (STREET):
- 450 CC
- MODEL:
- ERT3 SERIES
- NUMBER OF LINKS:
- 120
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- STREET
- TENSILE STRENGTH IMPERIAL:
- 8300 LB
- CHAIN TYPE:
- 520 ERT3
- UNITS:
- EACH
MSRP: $181.50Now: $154.28Was: $181.50Qty in Cart: 0Quantity:Price:MSRP: $181.50Now: $154.28Was: $181.50Subtotal: -
On Sale
DID 525 VO - Professional O-Ring Series Connecting Link - Rivet ZJ525VO
DID
MSRP: $12.16Now: $10.34Was: $12.16A quality connecting link is critical to chain integrity—a failure here means immediate drivetrain loss and potential catastrophic engine damage. The DID 525 VO Professional O-Ring Series Connecting Link delivers the precision fit and durability demanded...12250572- SKU:
- 12250572
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- CONNECTING LINK
- UNITS:
- EACH
- CHAIN TYPE:
- 525 VO
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- RIVET
MSRP: $12.16Now: $10.34Was: $12.16Qty in Cart: 0Quantity:Price:MSRP: $12.16Now: $10.34Was: $12.16Subtotal: -
On Sale
BARNETT Drive Plate 401-45-063008
BARNETT
MSRP: $8.79Now: $7.91Was: $8.79A precision drive plate is critical to maintaining consistent power transfer in high-performance applications where reliability can't be compromised. The BARNETT 401-45-063008 delivers the durability and accuracy that professional racers and serious...KP816- SKU:
- KP816
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- EACH
- DRIVE PLATE MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- DRIVE PLATE (STEEL PLATE)
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- CLUTCH
MSRP: $8.79Now: $7.91Was: $8.79 -
On Sale
BARNETT Drive Plate 401-35-055046
BARNETT
MSRP: $8.79Now: $7.91Was: $8.79A quality drive plate is fundamental to reliable clutch engagement and smooth power delivery in forced induction applications. The BARNETT 401-35-055046 delivers precision-engineered construction that withstands high-RPM demands and repeated heat cycles...11310620- SKU:
- 11310620
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- PRODUCT NAME:
- DRIVE PLATE (STEEL PLATE)
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- CLUTCH
- UNITS:
- EACH
MSRP: $8.79Now: $7.91Was: $8.79
