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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ACERBIS Chain Slider - Suzuki RMZ450 - Black 2686610001
ACERBIS
$32.95Chain sliders are essential wear items that protect your swingarm from abrasive chain contact and premature damage. The ACERBIS Chain Slider is a direct OEM replacement engineered to keep your chain properly positioned and running smoothly, preventing...12310968- SKU:
- 12310968
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- CHAIN SLIDER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
ACERBIS Chain Slider 2.0 - Honda - Black 2742640001
ACERBIS
$109.95Chain slap and swingarm contact are common wear issues that compromise drivetrain longevity and increase maintenance costs. The ACERBIS Chain Slider 2.0 eliminates these problems with a durable two-piece design that installs without breaking down your...12311034- SKU:
- 12311034
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- PRODUCT NAME:
- CHAIN GUIDE AND SLIDER KIT
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
$109.95 -
ACERBIS Chain Slider 2.0 - Honda - Red 2742640227
ACERBIS
$109.95Chain slap and swingarm wear are silent performance killers on the track and trail. The ACERBIS Chain Slider 2.0 eliminates both with a durable two-piece design that installs without breaking your chain—keeping your drivetrain protected and your lap...12311035- SKU:
- 12311035
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- COLOR/FINISH:
- RED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- CHAIN GUIDE AND SLIDER KIT
$109.95 -
ACERBIS Chain Slider - Honda - Black 2742630001
ACERBIS
$32.95Chain slap against your swingarm leads to accelerated wear, noise, and potential damage to both components. The ACERBIS Chain Slider is a direct replacement that positions your chain away from the swingarm, eliminating contact and protecting your...12311036- SKU:
- 12311036
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- CHAIN SLIDER
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
$32.95 -
ACERBIS Chain Slider - Honda - Red 2742630227
ACERBIS
$32.95Chain slap and swingarm contact are silent killers of chain longevity and bike reliability. The ACERBIS Chain Slider eliminates this friction point with a direct-fit design that acts as a protective barrier between your chain and swingarm, reducing wear...12311037- SKU:
- 12311037
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN SLIDER
- COLOR/FINISH:
- RED
$32.95 -
ACERBIS Chain Slider - Suzuki - White 2686610002
ACERBIS
$29.95Chain slap against your swingarm doesn't just create noise—it accelerates wear on both components and can lead to costly damage mid-race or ride. The ACERBIS Chain Slider is a direct replacement that absorbs chain contact, protecting your swingarm from...12311052- SKU:
- 12311052
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- CHAIN SLIDER
$29.95 -
ACERBIS Chain Slider - Yamaha - Black 2780430001
ACERBIS
$29.95Chain slap and swingarm wear are silent killers on the track and trail. The ACERBIS Chain Slider is a direct-replacement guard that absorbs impact and friction, preventing your chain from grinding against the swingarm—a failure mode that can cost you a...12311053- SKU:
- 12311053
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CHAIN SLIDER
$29.95 -
ACERBIS Chain Guide - Kawasaki KX125/250 - Black 2081500001
ACERBIS
$32.95A worn or damaged chain guide compromises power delivery and risks catastrophic drivetrain failure on the track or trail. The ACERBIS Chain Guide for Kawasaki KX125/250 is engineered to maintain precise chain alignment under aggressive acceleration and...12310095- SKU:
- 12310095
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- CHAIN GUIDE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
$32.95 -
ACERBIS Chain Slider - Kawasaki KX250F/450F KLX 450R - Black 2081570001
ACERBIS
$32.95A worn or damaged chain slider allows your chain to contact the swingarm, causing premature wear on both components and risking catastrophic drivetrain failure during aggressive riding. The ACERBIS Chain Slider is a direct replacement that restores...12310099- SKU:
- 12310099
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN SLIDER
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$32.95 -
ACERBIS Chain Slider - KTM SX/MXC/XC/EXC - Black 2081510001
ACERBIS
$32.95Chain rub against your swingarm leads to accelerated wear on both components and potential chain failure mid-ride—exactly what you don't need on the track or trail. ACERBIS chain sliders are engineered to take the abuse your drivetrain generates, keeping...12310100- SKU:
- 12310100
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN SLIDER
- RIDING STYLE:
- OFF-ROAD
$32.95 -
ACERBIS Chain Slider - Suzuki RM125/250 RMZ250 RMZ450 - Black 2081530001
ACERBIS
$32.95Chain slap against your swingarm doesn't just create noise—it accelerates wear on both the chain and frame, stealing power and reliability when you need it most. The ACERBIS Chain Slider is a direct replacement that positions your chain properly,...12310102- SKU:
- 12310102
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- EACH
- PRODUCT NAME:
- CHAIN SLIDER
- RIDING STYLE:
- OFF-ROAD
$32.95 -
REGINA 520 RH2 Series - Chain - 100 Links 135RH2/1014
REGINA
$73.95Chain failure mid-race isn't just costly—it's dangerous. The REGINA 520 RH2 Series is engineered to handle the brutal punishment of off-road competition, delivering the tensile strength and fatigue resistance required for consistent performance across...12200097- SKU:
- 12200097
- Availability:
- Ships Same Business Day
- Weight:
- 3.99 LBS
- RIDING STYLE:
- OFF-ROAD
- SEAL TYPE:
- NON-SEAL
- MODEL:
- RH SERIES
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- NUMBER OF LINKS:
- 100
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- STREET
- TENSILE STRENGTH IMPERIAL:
- 7508 LB
- TENSILE STRENGTH METRIC:
- 33.4 KN
- CHAIN TYPE:
- 520 RH2
- COLOR/FINISH:
- GOLD
- MASTER LINK CONNECTOR:
- CLIP
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 450 CC
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- UTV
$73.95 -
REGINA 520 RX3 Series - Chain - 100 Links 135RX3/003
REGINA
$101.95Off-road conditions demand a chain engineered to absorb extreme shock loads and maintain consistent performance when precision matters most. The REGINA 520 RX3 Series combines lightweight construction with reinforced durability to reduce elongation and...12210089- SKU:
- 12210089
- Availability:
- Ships Same Business Day
- Weight:
- 3.55 LBS
- COLOR/FINISH:
- GOLD
- MASTER LINK CONNECTOR:
- CLIP
- SEAL TYPE:
- NON-SEAL
- UNITS:
- EACH
- CHAIN TYPE:
- 520 RX3
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 600 CC
- NUMBER OF LINKS:
- 100
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- RX SERIES
- RIDING STYLE:
- UTV
- TENSILE STRENGTH IMPERIAL:
- 7643 LB
- TENSILE STRENGTH METRIC:
- 34 KN
- CHAIN SIZE:
- 520
- RIDING STYLE:
- STREET
$101.95 -
REGINA 428 RX3 Series - Chain - 100 Links 126RX3/1009
REGINA
$68.95Off-road riding demands a chain that can handle continuous shock loads, mud, sand, and extreme conditions without sacrificing weight or performance. The REGINA 428 RX3 Series is engineered with reinforced materials and precision geometry to deliver...12210096- SKU:
- 12210096
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- NUMBER OF LINKS:
- 100
- PRODUCT NAME:
- DRIVE CHAIN
- RIDING STYLE:
- STREET
- TENSILE STRENGTH IMPERIAL:
- 5170 LB
- COLOR/FINISH:
- GOLD
- MASTER LINK CONNECTOR:
- CLIP
- SEAL TYPE:
- NON-SEAL
- RIDING STYLE:
- OFF-ROAD
- TENSILE STRENGTH METRIC:
- 23 KN
- CHAIN SIZE:
- 428
- CHAIN TYPE:
- 428 RX3
- MAXIMUM ENGINE DISPLACEMENT (OFFROAD):
- 125 CC
- MODEL:
- RX SERIES
- UNITS:
- EACH
$68.95 -
On Sale
Sunstar Steel Rear Sprocket 45 Tooth Gas Gas EC 300 2009 2-363145
SUNSTAR SPROCKETS
MSRP: $65.95Now: $42.00Was: $65.95A worn or damaged rear sprocket directly impacts your bike's acceleration, power delivery, and overall driveability. The Sunstar Steel Rear Sprocket restores optimal chain engagement and ensures consistent performance whether you're pushing hard on the...12100958- SKU:
- 12100958
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- CHAIN SIZE:
- 520
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SPROCKET
- TOOTH COUNT:
- 45
- COLOR/FINISH:
- NATURAL
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- MATERIAL:
- STEEL
MSRP: $65.95Now: $42.00Was: $65.95Qty in Cart: 0Quantity:Price:MSRP: $65.95Now: $42.00Was: $65.95Subtotal: -
On Sale
Sunstar Rear Sprocket 48T Husqvarna TC85 2014-2024 KTM 85 SX 2003-2024 5-248148OR
SUNSTAR SPROCKETS
MSRP: $71.95Now: $52.00Was: $71.95Stepping up to a 48-tooth rear sprocket transforms your acceleration and mid-range response, giving you measurable gains in corner exit power and overall drivetrain efficiency. The Sunstar design maximizes chain contact and minimizes unsprung weight,...12111698- SKU:
- 12111698
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- CHAIN SIZE:
- 428
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- TYPE:
- DRIVE
- MATERIAL:
- 7075-T6 ALUMINUM
- COLOR/FINISH:
- WORKS/ORANGE
MSRP: $71.95Now: $52.00Was: $71.95 -
On Sale
Sunstar Rear Sprocket 46T Gold Honda CRF250R 2004-2022 5-355946
SUNSTAR SPROCKETS
MSRP: $88.95Now: $57.00Was: $88.95The wear on your stock sprocket directly impacts power delivery, acceleration, and chain longevity. A worn 46-tooth rear sprocket sacrifices efficiency and forces your drivetrain to work harder, reducing overall performance and increasing maintenance...12110274- SKU:
- 12110274
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PRODUCT NAME:
- SPROCKET
- MATERIAL:
- 7075-T6 ALUMINUM
- TOOTH COUNT:
- 46
- CHAIN SIZE:
- 520
- COLOR/FINISH:
- WORKS/GOLD
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- DRIVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
MSRP: $88.95Now: $57.00Was: $88.95Qty in Cart: 0Quantity:Price:MSRP: $88.95Now: $57.00Was: $88.95Subtotal: -
On Sale
Sunstar 48 Tooth Rear Sprocket for Honda CRF250R 2004-2024 Black 5-355948BK
SUNSTAR SPROCKETS
MSRP: $88.95Now: $57.00Was: $88.95If you're running a CRF250R, chain wear directly impacts acceleration response and overall drivetrain efficiency. The Sunstar 48-tooth rear sprocket replaces worn or damaged stock sprockets with aerospace-grade construction, restoring crisp power...12111111- SKU:
- 12111111
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- COLOR/FINISH:
- WORKS/BLACK
- MATERIAL:
- 7075-T6 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TOOTH COUNT:
- 48
- TYPE:
- DRIVE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPROCKET
- CHAIN SIZE:
- 520
- UNITS:
- EACH
MSRP: $88.95Now: $57.00Was: $88.95Qty in Cart: 0Quantity:Price:MSRP: $88.95Now: $57.00Was: $88.95Subtotal: -
On Sale
Sunstar Front Counter-Shaft Sprocket 12T Honda CRF250R 2004-2017 31212
SUNSTAR SPROCKETS
MSRP: $28.95Now: $21.00Was: $28.95The front counter-shaft sprocket is a critical wear component that directly impacts throttle response, chain longevity, and overall drivetrain efficiency. A worn or damaged sprocket forces your chain to work harder, accelerating wear across your entire...12120091- SKU:
- 12120091
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- PARKERIZED
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- TOOTH COUNT:
- 12
- CHAIN SIZE:
- 520
- MATERIAL:
- CHROMOLY STEEL
MSRP: $28.95Now: $21.00Was: $28.95Qty in Cart: 0Quantity:Price:MSRP: $28.95Now: $21.00Was: $28.95Subtotal: -
On Sale
Sunstar 15-Tooth Front Sprocket for Suzuki DR650S 2015-2019 DR650SE 1996-2014 41615
SUNSTAR SPROCKETS
MSRP: $33.12Now: $22.00Was: $33.12The counter shaft sprocket is a critical wear item on your DR650S or DR650SE—worn teeth directly degrade acceleration response and increase chain stress. Sunstar's 15-tooth design restores the precise gear ratio your Suzuki was engineered for, while...12120928- SKU:
- 12120928
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- STREET
- CHAIN SIZE:
- 525
- PRODUCT NAME:
- SPROCKET
- TYPE:
- COUNTERSHAFT
- UNITS:
- EACH
- TOOTH COUNT:
- 15
- COLOR/FINISH:
- BLACK
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- FRONT
MSRP: $33.12Now: $22.00Was: $33.12
