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
-
JT SPROCKETS Countershaft Sprocket - 12 Tooth - Husqvarna JTF823.12
JT SPROCKETS
$14.50A worn or damaged countershaft sprocket compromises your Husqvarna's power delivery and creates chain wear that cascades into expensive drivetrain repairs. This JT Sprockets 12-tooth replacement restores precise gear engagement and maximizes efficiency...12122011- SKU:
- 12122011
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$14.50 -
MOOSE RACING RS-16 E-Bike Drive Chain X01-D3201
MOOSE RACING
$11.95Keep your Moose Racing Agroid RS-16 E-Bike running at peak efficiency with an OEM replacement chain engineered for electric-assist performance. A worn or damaged chain compromises power transfer, increases drivetrain wear, and degrades your ride...12200454- SKU:
- 12200454
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$11.95 -
MOOSE RACING Bling Pack - Orange - 85 SX M57-50270 O
MOOSE RACING
$104.95The MOOSE RACING Bling Pack delivers precision-engineered aesthetics and functional upgrades tailored specifically for your 85 SX. Each component is CNC-machined to exacting tolerances, ensuring a flawless fit without compromise. Whether you're hitting...12311540- SKU:
- 12311540
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$104.95 -
MOOSE RACING Bling Pack - Red - MC 85 M57-50270 R
MOOSE RACING
$104.95The MOOSE RACING Bling Pack elevates your MC 85's aesthetic while maintaining the precision engineering your bike demands. Each component is CNC-machined to exacting tolerances, ensuring perfect fitment without compromise. Whether you're prepping for...12311541- SKU:
- 12311541
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$104.95 -
On Sale
MOOSE RACING Bling Pack - Blue - TC 85 M57-50270 L
MOOSE RACING
MSRP: $104.95Now: $67.00Was: $104.95The MOOSE RACING Bling Pack transforms your TC 85 M57 into a machine that turns heads in the pits while delivering measurable performance gains. Each component is precision CNC-machined to exacting tolerances, ensuring flawless fitment and reliability...12311542- SKU:
- 12311542
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
MSRP: $104.95Now: $67.00Was: $104.95 -
JT SPROCKETS Rear Sprocket - 46 Tooth - Yamaha JTR251.46
JT SPROCKETS
$29.78A properly sized rear sprocket is critical for optimizing your Yamaha's power delivery and acceleration characteristics. The JT Sprockets 46-tooth rear sprocket delivers the durability and precision engineering required for consistent performance,...12102408- SKU:
- 12102408
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
$29.78 -
JT SPROCKETS Countershaft Sprocket - 14 Tooth JTF1443.14SC
JT SPROCKETS
$18.38A properly sized countershaft sprocket is critical to achieving optimal gear ratios and power delivery in your drivetrain. This 14-tooth JT sprocket is computer-designed to deliver maximum strength while keeping rotational mass to a minimum—essential for...12120944- SKU:
- 12120944
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$18.38Qty in Cart: 0Quantity:Price:$18.38Subtotal: -
MOOSE RACING Bling Pack - Red - Gas Gas M57-5019R
MOOSE RACING
$117.95The MOOSE Racing Bling Pack elevates your Gas Gas M57 with precision-engineered aesthetic and functional upgrades that catch attention on and off the track. Each component is CNC machined to OEM tolerances, ensuring seamless integration without...12311549- SKU:
- 12311549
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$117.95 -
On Sale
MOOSE RACING Bling Pack - Blue - Husqvarna M57-5019L
MOOSE RACING
MSRP: $117.95Now: $75.00Was: $117.95The MOOSE RACING Bling Pack transforms your Husqvarna's aesthetics while delivering the precision fit and durability demanded by serious riders. Each component is CNC-machined to exact tolerances, eliminating fitment guesswork and ensuring a seamless...12311550- SKU:
- 12311550
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
MSRP: $117.95Now: $75.00Was: $117.95 -
On Sale
MOOSE RACING Bling Pack - Blue - Husqvarna M57-5026L
MOOSE RACING
MSRP: $144.95Now: $93.00Was: $144.95The MOOSE Racing Bling Pack elevates your Husqvarna's aesthetics while maintaining the precision engineering your machine demands. Each component is CNC-machined to exacting tolerances, ensuring a flawless fit without compromises. Whether you're...12311551- SKU:
- 12311551
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
MSRP: $144.95Now: $93.00Was: $144.95 -
MOOSE RACING Bling Kit - Red - CRF450R/RX M57-1009R
MOOSE RACING
$137.95Transform your CRF450R/RX with the MOOSE RACING Bling Kit in striking red. This precision-engineered cosmetic upgrade combines factory-quality fitment with custom aesthetics, allowing you to personalize your machine without compromising on durability or...12311552- SKU:
- 12311552
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$137.95Qty in Cart: 0Quantity:Price:$137.95Subtotal: -
Rekluse Clutch Kit for Gas Gas EC 450F 2024 Husqvarna FE 450 2024 KTM 450 EXC-F 2024 RMS-7013198
REKLUSE
$719.00Stock clutches aren't built for serious riding—they fade under sustained load and leave you hunting for consistent feel lap after lap. The Rekluse Clutch Kit eliminates that guesswork with optimized friction materials and internal geometry that keeps...11300663- SKU:
- 11300663
- Availability:
- Ships Same Business Day
- Weight:
- 3.16 LBS
$719.00Qty in Cart: 0Quantity:Price:$719.00Subtotal: -
Rekluse Clutch Kit for KTM 450 SX-F 2024 RMS-7013281
REKLUSE
$629.00If you're running a KTM 450 SX-F, clutch fade under sustained throttle will cost you lap time and consistency. The Rekluse RMS-7013281 eliminates this problem with a purpose-built kit designed specifically for high-RPM demands, delivering crisp...11300664- SKU:
- 11300664
- Availability:
- Ships Same Business Day
- Weight:
- 2.28 LBS
$629.00Qty in Cart: 0Quantity:Price:$629.00Subtotal: -
Rekluse Core Manual TorqDrive Clutch Kit for 2021-2023 Gas Gas MC 125 RMS-7113191
REKLUSE
$1,099.00Stock clutches in small-displacement 4-strokes operate at their limits the moment you add performance tuning—heat soak, fade, and inconsistent engagement become inevitable. The Rekluse Core Manual TorqDrive delivers the torque capacity and thermal...11300665- SKU:
- 11300665
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
$1,099.00Qty in Cart: 0Quantity:Price:$1,099.00Subtotal: -
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
