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
-
T.M. DESIGNWORKS Chain Guide - Gas Gas - Red RCG-GGM-RD
T.M. DESIGNWORKS
$102.95A chain guide that self-centers after impact keeps your drivetrain aligned under aggressive riding conditions, reducing chain slap and premature wear. T.M. Designworks' proprietary RMS plastic formula returns to its original position automatically, so...12311163- SKU:
- 12311163
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- RED
$102.95Qty in Cart: 0Quantity:Price:$102.95Subtotal: -
T.M. DESIGNWORKS Chain Guide - Yamaha - Black RCG-YZ3-BK
T.M. DESIGNWORKS
$112.95A worn or damaged chain guide forces your sprockets out of alignment and accelerates wear across your drivetrain. The T.M. DESIGNWORKS Chain Guide for Yamaha YZ models combines impact-resistant engineering with field-proven durability, keeping your chain...12311209- SKU:
- 12311209
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PRODUCT NAME:
- CHAIN GUIDE
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
$112.95 -
T.M. DESIGNWORKS Wear Block & Hardware RCG-KT50-WP
T.M. DESIGNWORKS
$20.95If you're running your KTM 50 in muddy or sandy terrain, the factory wear pad won't cut it—you'll be replacing it constantly and losing performance between rides. The T.M. DESIGNWORKS Wear Block delivers superior durability with oil-impregnated material...12311256- SKU:
- 12311256
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WEAR BLOCK
$20.95Qty in Cart: 0Quantity:Price:$20.95Subtotal: -
T.M. DESIGNWORKS Chain Guide/Slider - Honda - Black HCP-H04-BK
T.M. DESIGNWORKS
$231.95A loose or noisy chain costs you power transfer and suspension consistency—both critical in racing and aggressive riding. The T.M. DESIGNWORKS Chain Guide/Slider system keeps your chain perfectly centered while eliminating slap noise, allowing your...12311279- SKU:
- 12311279
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- PRODUCT NAME:
- CHAIN GUIDE AND SLIDER KIT
- RIDING STYLE:
- OFF-ROAD
$231.95Qty in Cart: 0Quantity:Price:$231.95Subtotal: -
T.M. DESIGNWORKS Chain Guide/Slider - Husky - Black DCK-HQV-BK
T.M. DESIGNWORKS
$189.95Chain slap and misalignment rob you of suspension performance and create unwanted noise that telegraphs your riding style to everyone at the track. T.M. DESIGNWORKS engineered this guide and slider system to keep your chain centered and dampened, so you...12311347- SKU:
- 12311347
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- PRODUCT NAME:
- CHAIN GUIDE AND SLIDER KIT
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
On Sale
JT CHAINS 420 HDR - Heavy Duty Drive Chain - Steel - 116 Links JTC420HDR116SL
JT CHAINS
MSRP: $15.46Now: $13.76Was: $15.46A reliable drive chain is fundamental to power transfer and ride quality—undersizing or compromising on chain quality leads to premature wear, power loss, and potential catastrophic failure. The JT CHAINS 420 HDR Heavy Duty Drive Chain delivers the...12200119- SKU:
- 12200119
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- COLOR/FINISH:
- GRAY
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MAXIMUM ENGINE DISPLACEMENT (STREET):
- 150 CC
- NUMBER OF LINKS:
- 116
- TENSILE STRENGTH IMPERIAL:
- 4407 LB
- WEIGHT:
- 0,74 KG/100 LINKS
- CHAIN TYPE:
- 420 HDR
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- RAW
- MASTER LINK CONNECTOR:
- CLIP
- MATERIAL:
- STEEL
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 150 CC
- MODEL:
- HDR SERIES
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- SEAL TYPE:
- NON-SEAL
MSRP: $15.46Now: $13.76Was: $15.46 -
On Sale
JT CHAINS 420 HDR - Heavy Duty Drive Chain - Steel - 126 Links JTC420HDR126SL
JT CHAINS
MSRP: $16.80Now: $14.95Was: $16.80A motorcycle chain is your direct link between engine power and rear wheel traction—if it fails, you're off the track or stranded roadside. The JT Chains 420 HDR Heavy Duty Drive Chain delivers the strength and reliability required for consistent power...12200123- SKU:
- 12200123
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- COLOR/FINISH:
- GRAY
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- RAW
- MASTER LINK CONNECTOR:
- CLIP
- MATERIAL:
- STEEL
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 150 CC
- MODEL:
- HDR SERIES
- NUMBER OF LINKS:
- 126
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- SEAL TYPE:
- NON-SEAL
- CHAIN TYPE:
- 420 HDR
- MAXIMUM ENGINE DISPLACEMENT (STREET):
- 150 CC
- TENSILE STRENGTH IMPERIAL:
- 4407 LB
- WEIGHT:
- 0,74 KG/100 LINKS
MSRP: $16.80Now: $14.95Was: $16.80Qty in Cart: 0Quantity:Price:MSRP: $16.80Now: $14.95Was: $16.80Subtotal: -
On Sale
JT CHAINS 420 HDR - Heavy Duty Drive Chain - Steel - 130 Links JTC420HDR130SL
JT CHAINS
MSRP: $17.31Now: $15.41Was: $17.31A properly functioning drive chain is critical to translating engine power to the rear wheel with zero loss—and the JT Chains 420 HDR is engineered to handle high-demand applications across street, MX, enduro, and ATV platforms without compromise. Built...12200125- SKU:
- 12200125
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MATERIAL:
- STEEL
- MAXIMUM ENGINE DISPLACEMENT (STREET):
- 150 CC
- SEAL TYPE:
- NON-SEAL
- TENSILE STRENGTH IMPERIAL:
- 4407 LB
- NUMBER OF LINKS:
- 130
- UNITS:
- EACH
- WEIGHT:
- 0,74 KG/100 LINKS
- CHAIN SIZE:
- 420
- COLOR/FINISH:
- GRAY
- COLOR/FINISH:
- RAW
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 150 CC
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- STREET
- CHAIN TYPE:
- 420 HDR
- MASTER LINK CONNECTOR:
- CLIP
- MODEL:
- HDR SERIES
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
MSRP: $17.31Now: $15.41Was: $17.31 -
Sunstar Rear Sprocket 50T for KTM 125-500 1991-2019 Husaberg 125-501 2000-2019 Husqvarna 125-701 2014-2022 5-354750
SUNSTAR SPROCKETS
$88.95A rear sprocket directly impacts your power delivery, acceleration, and overall drivetrain efficiency—making it one of the most critical upgrades for serious riders. The Sunstar 50T combines aerospace-grade materials with precision engineering to...12111338- SKU:
- 12111338
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- CHAIN SIZE:
- 520
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- WORKS/ORANGE
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 50
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRIVE
$88.95Qty in Cart: 0Quantity:Price:$88.95Subtotal: -
REGINA 428 RX3 Series - Rivet Connecting Link 19/126RX3
REGINA
$3.95A worn or damaged connecting link compromises chain integrity and can result in catastrophic drivetrain failure mid-race or ride. The REGINA 428 RX3 Series Rivet Connecting Link restores your chain to factory specifications with precision engineering and...12250212- SKU:
- 12250212
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- RIVET
- UNITS:
- EACH
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- CONNECTING LINK
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- RX SERIES
- NUMBER OF LINKS:
- 1
- CHAIN TYPE:
- 428 RX3
$3.95Qty in Cart: 0Quantity:Price:$3.95Subtotal: -
REGINA 415 RH2 Series - Chain - 110 Links 90RH2/004
REGINA
$45.95Off-road chains face relentless punishment from extreme loads, debris, and shock forces that demand superior durability over standard units. The REGINA 415 RH2 Series delivers the tensile strength and fatigue resistance required to maintain reliable...12200109- SKU:
- 12200109
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 85 CC
- CHAIN SIZE:
- 415
- COLOR/FINISH:
- GOLD
- MASTER LINK CONNECTOR:
- CLIP
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- SEAL TYPE:
- NON-SEAL
- NUMBER OF LINKS:
- 110
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- STREET
- TENSILE STRENGTH IMPERIAL:
- 4384 LB
- CHAIN TYPE:
- 415 RH2
- MODEL:
- RH SERIES
- RIDING STYLE:
- ATV
- TENSILE STRENGTH METRIC:
- 19.5 KN
- UNITS:
- EACH
$45.95 -
REGINA 520 GPXV - Chain Connection Link - Clip 26/135GPXV
REGINA
$10.95A quality connecting link is critical for maintaining chain integrity under load—missed maintenance here can mean unexpected drivetrain failure. The REGINA 520 GPXV clip-type connecting link provides a reliable, cost-effective way to repair or extend...12250493- SKU:
- 12250493
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- CHAIN TYPE:
- 520 GPXV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLIP
- PRODUCT NAME:
- CONNECTING LINK
- UNITS:
- EACH
- COLOR/FINISH:
- NATURAL
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
On Sale
RK GB 520 EXW - Chain - 110 Links GB520EXW-110
RK
MSRP: $176.22Now: $158.60Was: $176.22If you're running an ATV through high-speed off-road conditions, your chain needs to survive extreme heat, shock loads, and sustained power delivery without failure. The RK GB 520 EXW chain is engineered with the same XW-ring technology that powers...GB520EXW110- SKU:
- GB520EXW110
- Availability:
- Ships Same Business Day
- Weight:
- 4.25 LBS
- CHAIN SIZE:
- 520
- CHAIN TYPE:
- 520 EXW
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- TENSILE STRENGTH IMPERIAL:
- 7700 LB
- NUMBER OF LINKS:
- 110
- TENSILE STRENGTH METRIC:
- 34.3 KN
- UNITS:
- EACH
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 750 CC
- SEAL TYPE:
- XW-RING
- COLOR/FINISH:
- GOLD
- MASTER LINK CONNECTOR:
- CLIP
- MODEL:
- EXW SERIES
- RIDING STYLE:
- OFF-ROAD
- WEIGHT:
- 1,68 KG/100 LINKS
MSRP: $176.22Now: $158.60Was: $176.22 -
T.M. DESIGNWORKS Wear Block & Hardware KHCG-SX5-WP
T.M. DESIGNWORKS
$35.95Stock wear pads deteriorate quickly under aggressive mud and sand conditions, compromising your suspension geometry and handling precision. The T.M. DESIGNWORKS Wear Block delivers genuine durability with oil-impregnated construction that resists...12311231- SKU:
- 12311231
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WEAR BLOCK
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
DP BRAKES Clutch Kit DPK228
DP BRAKES
$218.95Stock clutch plates wear out fast and fade under sustained heat—leaving you with mushy engagement and power loss when you need consistency most. The DP BRAKES DPK228 clutch kit delivers race-proven friction materials and precision-engineered steel plates...11311991- SKU:
- 11311991
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- DRIVE PLATE MATERIAL:
- STEEL
- MODEL:
- DPK SERIES
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- OFF-ROAD
- SPRING MATERIAL:
- CHROME SILICON
- TYPE:
- COMPLETE
- UNITS:
- SET
$218.95 -
REGINA 525 ZRE - Z-Ring Chain - 110 Links 137ZRE/011
REGINA
$166.95Chain failure mid-race or mid-ride isn't an option. The REGINA 525 ZRE delivers the durability and consistent power transfer that separates reliable performance from catastrophic downtime. Built with a patented Z-ring seal design that maintains integrity...12240168- SKU:
- 12240168
- Availability:
- Ships Same Business Day
- Weight:
- 4.65 LBS
- RIDING STYLE:
- OFF-ROAD
- CHAIN TYPE:
- 525 ZRE
- COLOR/FINISH:
- GOLD
- MODEL:
- ZRE SERIES
- NUMBER OF LINKS:
- 110
- PRODUCT NAME:
- DRIVE CHAIN
- CHAIN SIZE:
- 525
- UNITS:
- EACH
$166.95Qty in Cart: 0Quantity:Price:$166.95Subtotal: -
REGINA 520 ZSE - Drive Chain - 112 Links 135ZSE/1000
REGINA
$136.95A chain is only as strong as its weakest link—and the REGINA 520 ZSE eliminates that weak point. Built from high carbon alloy steel with a narrow Z-ring design, this chain delivers reduced friction and articulation for smoother power transfer and...12220574- SKU:
- 12220574
- Availability:
- Ships Same Business Day
- Weight:
- 4.05 LBS
- TENSILE STRENGTH METRIC:
- 33.8 KN
- CHAIN SIZE:
- 520
- NUMBER OF LINKS:
- 112
- MATERIAL:
- CARBON ALLOY STEEL
- MODEL:
- ZSE SERIES
- TENSILE STRENGTH IMPERIAL:
- 7598 LB
- UNITS:
- EACH
- CHAIN TYPE:
- 520 ZSE
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- OFF-ROAD
- SEAL TYPE:
- Z-RING
$136.95Qty in Cart: 0Quantity:Price:$136.95Subtotal: -
REGINA 520 ZSE - Drive Chain - 116 Links 135ZSE/1002
REGINA
$141.95A 520-pitch chain demands precision engineering to deliver consistent power transfer without excess friction or premature wear. The REGINA 520 ZSE combines high-carbon alloy steel construction with Z-ring technology to reduce articulation losses, giving...12220576- SKU:
- 12220576
- Availability:
- Ships Same Business Day
- Weight:
- 4.20 LBS
- CHAIN TYPE:
- 520 ZSE
- COLOR/FINISH:
- GOLD
- MATERIAL:
- CARBON ALLOY STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- DRIVE CHAIN
- SEAL TYPE:
- Z-RING
- CHAIN SIZE:
- 520
- MODEL:
- ZSE SERIES
- NUMBER OF LINKS:
- 116
- TENSILE STRENGTH IMPERIAL:
- 7598 LB
- TENSILE STRENGTH METRIC:
- 33.8 KN
$141.95Qty in Cart: 0Quantity:Price:$141.95Subtotal: -
On Sale
JT CHAINS 420 HDR - Heavy Duty Drive Chain - Steel - 98 Links JTC420HDR098SL
JT CHAINS
MSRP: $13.06Now: $11.62Was: $13.06A reliable drive chain is fundamental to consistent power delivery and longevity in any motorcycle drivetrain. The JT Chains 420 HDR Heavy Duty Drive Chain delivers the strength and precision engineering required for both street and off-road...12200112- SKU:
- 12200112
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- COLOR/FINISH:
- GRAY
- COLOR/FINISH:
- RAW
- NUMBER OF LINKS:
- 98
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- CHAIN SIZE:
- 420
- CHAIN TYPE:
- 420 HDR
- MASTER LINK CONNECTOR:
- CLIP
- MATERIAL:
- STEEL
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 150 CC
- MODEL:
- HDR SERIES
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- SEAL TYPE:
- NON-SEAL
- MAXIMUM ENGINE DISPLACEMENT (STREET):
- 150 CC
- TENSILE STRENGTH IMPERIAL:
- 4407 LB
- UNITS:
- EACH
- WEIGHT:
- 0,74 KG/100 LINKS
MSRP: $13.06Now: $11.62Was: $13.06 -
REGINA 428 RH2 Series - Clip Connecting Link 26/126RH2
REGINA
$4.95A worn or damaged connecting link can compromise chain integrity and jeopardize your entire drivetrain. The REGINA 428 RH2 Series Clip Connecting Link delivers OEM-grade reliability with tool-free installation, making it the go-to replacement for racers...12250217- SKU:
- 12250217
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- CONNECTING LINK
- UNITS:
- EACH
- CHAIN SIZE:
- 428
- TYPE:
- CLIP
- CHAIN TYPE:
- 428 RH2
- COLOR/FINISH:
- GOLD
- MODEL:
- RH SERIES
- RIDING STYLE:
- OFF-ROAD
- NUMBER OF LINKS:
- 1
$4.95
