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!
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On Sale
Sunstar 520 HDN1 Clip Connecting Link for Honda CR125R 1982-2007 SS520HDN1-L
SUNSTAR SPROCKETS
MSRP: $5.95Now: $4.00Was: $5.95Chain failure mid-race or mid-ride isn't an option. The Sunstar 520 HDN1 Clip Connecting Link gives you a secure, reliable connection that's quick to install and built to handle sustained high-RPM demands on your CR125R. When you're pushing your...12250762- SKU:
- 12250762
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
MSRP: $5.95Now: $4.00Was: $5.95 -
MOOSE RACING Steel Rear Sprocket - Honda - 36 Tooth 1214ST-36
MOOSE RACING
$26.95A rear sprocket is one of the most direct ways to tune your Honda's acceleration and top-end performance. The MOOSE RACING 36-tooth sprocket delivers the precision and durability required for consistent power delivery, whether you're on the track or the...12102739- SKU:
- 12102739
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
$26.95Qty in Cart: 0Quantity:Price:$26.95Subtotal: -
MOOSE RACING Steel Rear Sprocket - Honda - 46 Tooth 1214ST-46
MOOSE RACING
$26.95A worn or mismatched rear sprocket compromises acceleration, throttle response, and chain longevity. The MOOSE RACING 46-tooth steel sprocket is precision-engineered for Honda motorcycles, delivering the durability and performance you need for aggressive...12102740- SKU:
- 12102740
- Availability:
- Ships Same Business Day
- Weight:
- 1.79 LBS
$26.95 -
MOOSE RACING Steel Rear Sprocket - Honda - 37 Tooth 1213ST-37
MOOSE RACING
$26.95A properly matched rear sprocket is critical to maximizing your Honda's acceleration, top-end speed, and overall powertrain efficiency. The MOOSE RACING 37-tooth steel sprocket delivers the durability and precision required for consistent performance,...12102738- SKU:
- 12102738
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
$26.95 -
UFO Chain Guide - Black - KTM KT05017#001
UFO
$24.95A worn or damaged chain guide compromises power delivery and risks catastrophic chain failure mid-ride. The UFO Chain Guide maintains precise chain alignment under aggressive acceleration and hard cornering, protecting your drivetrain and keeping you...12311588- SKU:
- 12311588
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$24.95 -
MOOSE RACING Steel Clutch Plates - Gas Gas/Husqvarna/KTM M80-7514-9
MOOSE RACING
$68.95If you're running aluminum clutch plates, you're compromising on durability and performance. MOOSE Racing steel clutch plates deliver three times the lifespan of aluminum alternatives while eliminating fade and expansion issues that plague softer...11313851- SKU:
- 11313851
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
$68.95 -
MOOSE RACING Steel Clutch Plates - YZ 250 F/X M80-7421-7
MOOSE RACING
$68.95If you're running a YZ 250 F/X and want clutch reliability that matches your bike's intensity, steel clutch plates deliver what aluminum simply cannot. The increased mass provides genuine starting assistance and traction benefits while eliminating the...11313853- SKU:
- 11313853
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$68.95 -
MOOSE RACING Clutch Springs - WR/YZ 450F HDS-156-6
MOOSE RACING
$16.95OEM clutch springs wear faster than you'd expect, leading to mushy engagement and inconsistent power delivery on the track or trail. MOOSE RACING's precision-wound springs deliver a crisp, responsive feel at the lever while handling the demands of...11313856- SKU:
- 11313856
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
$16.95 -
MOOSE RACING Steel Clutch Plates - KX 250/X M80-7323-7
MOOSE RACING
$68.95If you're running a KX 250/X and tired of clutch fade robbing you of consistent power delivery, MOOSE Racing Steel Clutch Plates deliver the durability and performance you need. Steel construction eliminates the expansion and wear issues that plague...11313852- SKU:
- 11313852
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$68.95 -
MOOSE RACING Steel Clutch Plates - KTM/Gas Gas/Husqvarna M80-7515-8
MOOSE RACING
$101.95If you're running a KTM, Gas Gas, or Husqvarna two-stroke, aluminum clutch plates are a compromise you don't have to accept. MOOSE Racing's steel clutch plates eliminate the fade and expansion that plague softer materials, delivering consistent...11313104- SKU:
- 11313104
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$101.95 -
MOOSE RACING Chain Roller - 34mm G32-1501
MOOSE RACING
$13.95A quality chain roller directly impacts drivetrain efficiency and component longevity—especially in high-stress racing and performance applications where friction losses compound quickly. The MOOSE RACING 34mm Chain Roller minimizes power loss through...12311569- SKU:
- 12311569
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$13.95 -
MOOSE RACING Chain Roller - 38mm G32-1502
MOOSE RACING
$13.95Chain rollers are critical wear components that directly impact drivetrain efficiency and longevity. A worn or low-quality roller creates excessive friction, accelerates chain wear, and robs you of power transfer to the rear wheel. The MOOSE RACING 38mm...12311570- SKU:
- 12311570
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$13.95 -
MOOSE RACING Chain Roller - 34mm G32-5501
MOOSE RACING
$13.95A worn or inefficient chain roller creates unnecessary drag on your drivetrain, robbing you of power transfer and accelerating wear across your entire system. The MOOSE RACING 34mm Chain Roller eliminates friction at the critical point where your chain...12311571- SKU:
- 12311571
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$13.95 -
MOOSE RACING Chain Roller - 38mm G32-2501
MOOSE RACING
$13.95A worn or undersized chain roller creates unnecessary friction that bleeds horsepower and accelerates drivetrain wear. The MOOSE RACING 38mm Chain Roller replaces that weak link with a precision-engineered polyurethane design that maintains consistent...12311572- SKU:
- 12311572
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$13.95 -
MOOSE RACING Chain Roller - 32mm G32-6501
MOOSE RACING
$13.95Excessive chain friction robs horsepower and accelerates wear on your entire drivetrain. The MOOSE RACING 32mm Chain Roller minimizes drag at the critical point where your chain contacts the swingarm, translating directly to better power delivery and...12311573- SKU:
- 12311573
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$13.95 -
MOOSE RACING Chain Roller - 38mm G32-6502
MOOSE RACING
$13.95A chain roller that minimizes friction losses directly translates to better power transfer and improved drivetrain efficiency—critical when every tenth of a second counts. The MOOSE RACING 38mm roller uses precision sealed bearings to keep water and...12311574- SKU:
- 12311574
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$13.95 -
MOOSE RACING Pro Chain Guide - Black - Husqvarna/KTM PX1664
MOOSE RACING
$99.95A worn or damaged chain guide forces you to choose between frequent replacements and risking premature sprocket wear. The MOOSE RACING Pro Chain Guide eliminates that trade-off with a durable, two-piece design that installs without dropping your...12311587- SKU:
- 12311587
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$99.95 -
Hinson Racing Clutch Kit for Honda CRF250R 2022-2025 HC894-2201
HINSON RACING
$1,159.99The stock clutch on your CRF250R can't handle the demands of consistent racing or aggressive trail riding—slipping under load and inconsistent engagement will cost you lap times and control. The Hinson Racing Clutch Kit (HC894-2201) delivers the friction...11300683- SKU:
- 11300683
- Availability:
- Ships Same Business Day
- Weight:
- 5.31 LBS
$1,159.99 -
Hinson Racing Clutch Plate and Spring Kit for Honda CRF250R 2022-2024 FSC894-9-2201
HINSON RACING
$229.99If you're running your CRF250R hard on the track or trail, your stock clutch plates won't keep up with aggressive riding demands. This Hinson Racing Clutch Plate and Spring Kit delivers the heat resistance and consistent engagement your bike needs to...11313850- SKU:
- 11313850
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$229.99 -
Hinson Racing Clutch Plate Kit Fiber 2022-2024 Honda CRF250R FP094-9-001
HINSON RACING
$109.99If you're running your CRF250R in competition or pushing it hard on the track, clutch wear is inevitable—but premature failure doesn't have to be. The Hinson Racing Clutch Plate Kit Fiber delivers the engagement precision and durability you need to stay...11313876- SKU:
- 11313876
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$109.99Qty in Cart: 0Quantity:Price:$109.99Subtotal:
